Creating perfect living spaces. Shaping spaces for living, with internal lining solutions that enhance lifestyles. Creating perfect living spaces

Size: px

Start display at page:

Download "Creating perfect living spaces. Shaping spaces for living, with internal lining solutions that enhance lifestyles. Creating perfect living spaces"

Dorothy Berry
5 years ago
Views:

1 O7 Shaping spaces for living, with internal lining solutions that enhance lifestyles 171

2 Discover how we are working within the residential industry to facilitate differentiation, through new, innovative, lifestyle-oriented products. Learn how our Rooms made for you offer provides flexibility, easy personalisation of rooms, and the reduction of noise transfer within a home. Read more about legislation on internal walls and floors, acoustic ceilings and finishing solutions, plus use our handy system reference guide to aid specification. Finally, find out how you can work with us to develop the next generation of products for homeowners; adding value to your business, and your customers lives. 172

3 Introduction Homes are required to perform to two extremes. They need to provide shelter, comfort, warmth, flexibility and an aesthetic quality. In conjunction with that, they need to be durable, energy efficient and safe. These spaces are where people carry out the most personal parts of their lives. The environments where our children play and learn, where we sit on the sofa and enjoy a film, socialise with friends in the kitchen and, if we have time, enjoy a relaxing soak in the bath. All these activities can happen at the same time without homeowners worrying that they will be disturbing anyone else in their home. We can give specification support and guidance on a range of solutions to meet the functional design and performance requirements of the national Building Regulations for modern home interiors, providing fit-for-purpose solutions. If you are looking for more from your new development, take a look at our new Rooms made for you range which offers solutions that provide real benefits to the way homeowners live in their home. bgtechnical.enquiries@bpb.com british-gypsum.com 173

4 Internal walls 174 Technical Advice Centre Tel:

Legislation and guidance England and Wales - National Building Regulations Approved Document E Approved Document E (ADE) gives guidance on how to provide reasonable standards of sound insulation in

5 Legislation and guidance England and Wales - National Building Regulations Approved Document E Approved Document E (ADE) gives guidance on how to provide reasonable standards of sound insulation in dwellings and other residential buildings within England and Wales. The aim of the standard is to improve the acoustic environment by reducing noise transmission both between, and within, all residential dwellings. Therefore, in addition to specifying levels of sound insulation for separating constructions, national Building Regulations Approved Document E also includes a required level of sound insulation for internal constructions. Requirement E2 states: Dwelling-houses, flats and rooms for residential purposes shall be designed and constructed in such a way that (a) Internal walls between a bedroom or a room containing a water closet, and other rooms; and (b) Internal floors provide reasonable resistance to sound. The majority of internal walls and floors must achieve R w 40 db. Element of construction Internal wall between a bathroom, or WC, and a habitable room Internal wall between a bedroom and another room within the dwelling Minimum airborne sound insulation (laboratory test result) R w 40 db 40 db However, internal walls which include a door are exempt from this requirement. Complying with the regulations Pre-Completion Testing is not required for internal wall constructions in England or Wales. Building Control check internal constructions at plan stage to ensure the details specified will meet this required performance. In England and Wales, housebuilders can follow one of two routes to demonstrate compliance for new-build houses and apartments: Using Guidance Constructions, or Using manufacturers proprietary systems Guidance Constructions Guidance Constructions are shown in this section incorporating British Gypsum products, where appropriate. These details are British Gypsum versions of Guidance Constructions, which, provided they are built correctly, are deemed to achieve the regulatory requirements. Manufacturers Proprietary Systems British Gypsum Approved Systems have been laboratory tested and have shown they have the potential to achieve the required performance criteria for internal wall construction within new-build houses and flats, provided they are built correctly. bgtechnical.enquiries@bpb.com british-gypsum.com 175

6 176 Technical Advice Centre Tel:

7 Legislation and guidance (cont d) Scotland Domestic Technical Handbook Section 5: Noise On the 1st October 2010 a new version of the Domestic Technical Handbook Section 5: Noise, came into force in Scotland. This version was introduced following the first major review, for over 20 years, of the design performance requirements of previous technical handbooks. Section 5 not only aims to limit sound transmission emanating from attached buildings; from October 2010, it also covers sound from within the same dwelling if occupants are in rooms where they would expect to have some degree of peace and quiet. Standard 5.2 states: Every building, must be designed and constructed in such a way to limit the transmission of source noise from normal domestic type activities, through a wall or floor, between a room and internal space where noise is likely to occur, to a level that will not cause inconvenience to the building occupants. Standard 5.2 applies to an internal wall or floor forming a room in a dwelling, or a room in a residential building, which is capable of being used for sleeping. The majority of internal walls and floors must achieve R w 43 db. Element of construction An internal wall or floor forming a room in a dwelling which is capable of being used for sleeping Minimum airborne sound insulation (laboratory test result) R w 43 db It does not apply to a wall between an en-suite bathroom and the room it serves. Complying with the regulations Post-Completion Testing is not required for internal wall constructions in Scotland. Building Control check internal constructions at plan stage to ensure the details specified will meet the required performance. Generic Internal Constructions Generic Internal Constructions are shown in this section incorporating British Gypsum products, where appropriate. These details are British Gypsum versions of Generic Internal Constructions, which, provided they are built correctly, are deemed to achieve the regulatory requirements. In Scotland, housebuilders can follow one of two routes to demonstrate compliance for new-build houses and apartments; Using Generic Internal Constructions, or Using manufacturers proprietary systems Manufacturers Proprietary Systems British Gypsum Approved Systems have been laboratory tested and have shown they have the potential to achieve the required performance criteria for internal wall construction within new-build houses and flats, provided they are built correctly. bgtechnical.enquiries@bpb.com british-gypsum.com 177

8 System reference for internal walls Solutions Build method Detail / Floor type Category Standard acoustic performance (England and Wales) Internal wall solutions to meet minimum national Building Regulations requirements in England and Wales. Steel Proprietary British Gypsum Approved System Proprietary England and Wales Proprietary Proprietary Wall type A Wall type B Guidance Construction England and Wales Masonry Wall type C Guidance Construction England and Wales Wall type D Wall type D Timber Proprietary British Gypsum Approved System Proprietary England and Wales Proprietary Wall type A Wall type B Guidance Construction England and Wales 178 Technical Advice Centre Tel:

9 Description Page Detail GypWall CLASSIC incorporating Gypframe 48 S 50 C studs and insulation 182 GypWall CLASSIC incorporating Gypframe C studs 182 GypWall RAPID db Plus incorporating 43 AS 50 AcouStuds GypWall RAPID db Plus incorporating 43 AS 50 AcouStuds and Gypframe GWR2 Nogging Channels GypWall CLASSIC incorporating Gypframe 48 S 50 C studs and insulation 185 GypWall CLASSIC incorporating 48 S 50 C studs or Gypframe C studs Aggregate block wall minimum 120kg/m 2 (excluding finish) lined with the DriLyner BASIC system or 13mm Thistle plaster Aircrete block wall minimum 75kg/m 2 (including finish) lined with the DriLyner BASIC system or minimum 90kg/m 2 (including finish) lined with 13mm Thistle plaster mm timber studs mm timber studs with insulation mm timber studs with insulation mm timber studs with insulation mm timber studs bgtechnical.enquiries@bpb.com british-gypsum.com 179

10 System reference for internal walls (cont d) Solutions Build method Detail / Floor type Category Standard acoustic performance (Scotland) / Standard plus acoustic performance (England and Wales) Internal wall solutions to meet minimum national Building Regulations requirements in Scotland, or to provide enhanced performance for homes in England and Wales. Steel Proprietary British Gypsum Approved System Proprietary Scotland Wall type 2 Wall type 2A Generic Internal Construction Scotland Masonry Wall type 3 Generic Internal Construction Scotland Wall type 3A Wall type 3B Wall type 4 Timber Proprietary British Gypsum Approved System Scotland Wall type 1 Wall type 1A Generic Internal Construction Scotland Superior performance (England, Scotland and Wales) Timber Proprietary British Gypsum Approved System England, Scotland and Wales 180 Technical Advice Centre Tel:

11 Description Page Detail GypWall RAPID db Plus incorporating 43 AS 50 AcouStuds and insulation GypWall RAPID db Plus incorporating 43 AS 50 AcouStuds, Gypframe GWR2 Nogging Channels and insulation GypWall CLASSIC incorporating 48 S 50 C studs or Gypframe C studs 197 GypWall CLASSIC incorporating 48 S 50 C studs or Gypframe C studs and insulation Concrete block wall minimum 120kg/m 2 (excluding finish) lined with the DriLyner BASIC system or 13mm Thistle Plaster Aggregate block wall, density kg/m 3, lined with the DriLyner BASIC system or 13mm Thistle plaster Aggregate block wall, density kg/m 3, lined with the DriLyner BASIC system or 13mm Thistle plaster Aircrete block, density kg/m 3, wall lined with the DriLyner BASIC system or 13mm Thistle plaster mm timber studs with insulation mm timber studs mm timber studs with insulation Silent Wall bgtechnical.enquiries@bpb.com british-gypsum.com 181

12 Construction details Standard performance (England and Wales) Steel frame walls 152 GypWall CLASSIC (Gypframe 48 S 50 C Studs at 600mm centres, with insulation) PSR A R w 40 db 30 mins BS Maximum height 2500mm Overall construction nominal width 75mm Gypframe 48 S 50 C Studs at 600mm centres 25mm Isover Acoustic Partition Roll (APR 1200) in the cavity Lined with a single layer of 12.5mm Gyproc WallBoard each side Replace 12.5mm Gyproc WallBoard with 12.5mm Gyproc Habito for enhanced robustness and fixing capability British Gypsum Approved System England and Wales NB The fire resistance and sound insulation performance are for imperforate partitions, walls and ceilings incorporating boards with all joints taped and filled, or skimmed according to British Gypsum s recommendations. The quoted performances are achieved only if British Gypsum components are used throughout, and the company s fixing recommendations are strictly observed. Any variation in the specifications should be checked with British Gypsum. Refer to page 231 for Gyproc Habito finishing options 153 GypWall CLASSIC (Gypframe 70 S 50 C Studs at 600mm centres, without insulation) PSR A R w 40 db 30 mins BS Maximum height 3600mm Overall construction nominal width 97mm Gypframe 70 S 50 C Studs at 600mm centres Lined with a single layer of 12.5mm Gyproc SoundBloc each side Add an additional outer layer of 12.5mm Gyproc Habito for enhanced robustness and fixing capability British Gypsum Approved System England and Wales 182 NB The fire resistance and sound insulation performance are for imperforate partitions, walls and ceilings incorporating boards with all joints taped and filled, or skimmed according to British Gypsum s recommendations. The quoted performances are achieved only if British Gypsum components are used throughout, and the company s fixing recommendations are strictly observed. Any variation in the specifications should be checked with British Gypsum. Technical Advice Centre Tel: Refer to page 231 for Gyproc Habito finishing options

13 Construction details Standard performance (England and Wales) (cont d) Steel frame walls 154 GypWall RAPID db Plus (Gypframe 43 AS 50 AcouStuds at 450mm centres, without insulation) PSR A139A005 R w 40 db 30 mins BS Maximum height 2700mm Overall construction nominal width 75mm 43mm Gypframe 43 AS 50 AcouStuds at 450mm centres Use Gypframe Floor & Ceiling Channel vertically at abutments in GypWall RAPID db Plus rather than Gypframe stud section Lined with a single layer of 15mm Gyproc SoundBloc RAPID each side 32mm British Gypsum Drywall Screws are used to fix 15mm Gyproc SoundBloc RAPID in the GypWall RAPID db Plus system The innovative door detailing of GypWall RAPID db Plus means that overboarding is not required during installation and, as a result, plasterboard waste is considerably reduced British Gypsum Approved System England and Wales NB The fire resistance and sound insulation performance are for imperforate partitions, walls and ceilings incorporating boards with all joints taped and filled, or skimmed according to British Gypsum s recommendations. The quoted performances are achieved only if British Gypsum components are used throughout, and the company s fixing recommendations are strictly observed. Any variation in the specifications should be checked with British Gypsum. bgtechnical.enquiries@bpb.com british-gypsum.com 183

14 Construction details Standard performance (England and Wales) (cont d) Steel frame walls 155 GypWall RAPID db Plus (Gypframe 43 AS 50 AcouStuds at 900mm centres, without insulation) PSR A139A001 R w 40 db 30 mins BS Maximum height 2400mm Overall construction nominal width 75mm 43mm Gypframe 43 AS 50 AcouStud at 900mm centres Use Gypframe Floor & Ceiling Channel vertically at abutments in GypWall RAPID db Plus rather than Gypframe stud section Gypframe GWR2 Nogging Channel at mid-height Lined with a single layer of 15mm Gyproc SoundBloc RAPID each side 32mm British Gypsum Drywall Screws are used to fix 15mm Gyproc SoundBloc in the GypWall RAPID db Plus system The innovative door detailing of GypWall RAPID db Plus means that overboarding is not required during installation and, as a result, plasterboard waste is considerably reduced British Gypsum Approved System England and Wales NB The fire resistance and sound insulation performance are for imperforate partitions, walls and ceilings incorporating boards with all joints taped and filled, or skimmed according to British Gypsum s recommendations. The quoted performances are achieved only if British Gypsum components are used throughout, and the company s fixing recommendations are strictly observed. Any variation in the specifications should be checked with British Gypsum. 184 Technical Advice Centre Tel:

15 Construction details Standard performance (England and Wales) (cont d) Steel frame walls 156 Guidance Construction 60 mins BS Maximum height 3400mm or 4600mm GypWall CLASSIC (internal wall type A) Overall construction nominal width 100mm Stud options: Gypframe 48 S 50 C Studs at 600mm centres or Gypframe 70 S 50 C Studs at 600mm centres Board options: Double layer of 12.5mm Gyproc WallBoard TEN each side or Double layer of 12.5mm Gyproc SoundBloc each side PSR A Replace outer plasterboard layer with 12.5mm Gyproc Habito for enhanced robustness and fixing capability Guidance Construction England and Wales NB The fire resistance and sound insulation performance are for imperforate partitions, walls and ceilings incorporating boards with all joints taped and filled, or skimmed according to British Gypsum s recommendations. The quoted performances are achieved only if British Gypsum components are used throughout, and the company s fixing recommendations are strictly observed. Any variation in the specifications should be checked with British Gypsum. Refer to page 231 for Gyproc Habito finishing options 157 Guidance Construction GypWall CLASSIC (internal wall type B) Overall construction nominal width 75mm Maximum height 2500mm (at 600mm centres) PSR A mins BS Maximum height 2500mm or 2700mm 2700mm (at 400mm centres) Gypframe 48 S 50 C Studs at 400mm or 600mm centres 25mm Isover Acoustic Partition (APR 1200) in the stud cavity Board options: Single layer of 12.5mm Gyproc WallBoard TEN each side or Single layer of 12.5mm Gyproc SoundBloc each side Guidance Construction England and Wales Replace plasterboard lining with 12.5mm Gyproc Habito for enhanced robustness and fixing capability NB The fire resistance and sound insulation performance are for imperforate partitions, walls and ceilings incorporating boards with all joints taped and filled, or skimmed according to British Gypsum s recommendations. The quoted performances are achieved only if British Gypsum components are used throughout, and the company s fixing recommendations are strictly observed. Any variation in the specifications should be checked with British Gypsum. bgtechnical.enquiries@bpb.com Refer to page 231 for Gyproc Habito finishing options british-gypsum.com 185

Gypframe metal products The modern, engineered alternative to traditional timber and blockwork construction, Gypframe-based wall, ceiling and floor systems are quicker and easier to install, whilst

16 Gypframe metal products The modern, engineered alternative to traditional timber and blockwork construction, Gypframe-based wall, ceiling and floor systems are quicker and easier to install, whilst meeting the highest performance requirements. Up to 50% lighter than equivalent timber systems, and up to 70% lighter than blockwork, Gypframe metal products are easier to transport and offer a high strength to weight ratio for guaranteed performance and long life. Gypframe components are easy to cut on site, non-flammable and won t rot, twist or warp. They can be stored outside and installed in any weather, making it easier to schedule work. Gypframe profiles are manufactured using the patented UltraSTEEL process and conform to EN The UltraSTEEL process gives the components greater strength, makes fixing easier and improves screw retention and pull-out by up to 20%. That s why only systems built using Gypframe metal components qualify for the British Gypsum SpecSure lifetime system warranty peace of mind that they will perform to specification throughout their entire installed life. Isn t it amazing the difference a few folds can make? British Gypsum is committed to continuous product development. That s why in 1998 we introduced the first folded edge channel exclusively for the housing market. Now, working in conjunction with our customers, we ve brought that innovation to the entire market to ensure easier manual handling of our products and to contribute to on-site health and safety. British Gypsum has now introduced folded edges to the entire Gypframe channel range to provide our customers with a full range of products that have a safer working edge. 186 Technical Advice Centre Tel:

Metal innovations by British Gypsum 1974 Introduced lightweight metal framing systems into the UK 1978 Launched MF7 ceiling system 1992 Developed the first dedicated housing system GypWall

50mm Gypframe folded edge channel 2012 Folded edges introduced to the entire range of Gypframe channels 2013 Gypframe metal awarded BES 6001 Very Good Gypframe metal framing components have

They join British Gypsum s wide range of certified products, including Gyproc plasterboards, Glasroc specialist boards and Thistle plasters.

17 Metal innovations by British Gypsum 1974 Introduced lightweight metal framing systems into the UK 1978 Launched MF7 ceiling system 1992 Developed the first dedicated housing system GypWall RAPID 1998 Introduced the first folded edge product for house building 2002 Introduced the AcouStud, with a patented stud profile, for increased acoustic performance 2010 Introduced the new 50mm Gypframe folded edge channel 2012 Folded edges introduced to the entire range of Gypframe channels 2013 Gypframe metal awarded BES 6001 Very Good Gypframe metal framing components have been certified Very Good under BES 6001 the first metal drylining components to achieve this. They join British Gypsum s wide range of certified products, including Gyproc plasterboards, Glasroc specialist boards and Thistle plasters. This means we re now able to offer you a system solution where the majority of the constituent components (metal framing, plasterboard and plaster), achieve the Very Good standard, earning points towards the Code for Sustainable Homes within the materials category (under issue MAT 2). bgtechnical.enquiries@bpb.com british-gypsum.com 187

Product focus Glasroc H TILEBACKER Behind every perfect tile job A high performance board specifically designed for use in wet areas such as bathrooms and kitchens.

Quick and easy to install: No power tools, pre-drilling or specialist fixings required, just score and snap to size.

5mm board can be fixed to masonry backgrounds using Gyproc Dri-Wall Adhesive and British Gypsum Nailable Plugs You can use your current and favoured materials as it s compatible with standard tile

18 Product focus Glasroc H TILEBACKER Behind every perfect tile job A high performance board specifically designed for use in wet areas such as bathrooms and kitchens. Ready primed for direct tiling, Glasroc H TILEBACKER is up to a third lighter than cement boards and faster to install, leaving more time for tiling. Quick and easy to install: No power tools, pre-drilling or specialist fixings required, just score and snap to size. Simply screw in place with British Gypsum Drywall or Drywall Timber Screws Easy to construct saving time and effort, no pre-treatment required 12.5mm board can be fixed to masonry backgrounds using Gyproc Dri-Wall Adhesive and British Gypsum Nailable Plugs You can use your current and favoured materials as it s compatible with standard tile adhesives Lighter board for manual handling and on-site logistics It offers moisture and mould resistant properties, combined with superior dimensional stability, making it the high performance alternative to plywood and cement boards. The range includes both 12.5mm and 6mm thick boards offering the full solution for floors and walls. The 6mm board can be curved to fit walls to a radius of 600mm and when used for floors it is also suitable for use with electric underfloor heating systems. Compatible with all British Gypsum systems and no special framework required. For example, Glasroc H TILEBACKER 12.5mm can be used within the GypWall CLASSIC system, with studs at 600mm centres. This will then support up to 32kg/m 2 of any tile type. 188 Technical Advice Centre Tel:

19 Construction details Standard performance (England and Wales) (cont d) Masonry walls 158 Guidance Construction Aggregate concrete block 120kg/m 2 (internal wall type C) Masonry block wall minimum 120kg/m 2 Finished with 13mm Thistle plaster (see pages 82 and 83) or drylined with 12.5mm Gyproc WallBoard using DriLyner BASIC system Replace 12.5mm Gyproc WallBoard with 12.5mm Gyproc Habito for enhanced robustness and fixing capability Guidance Construction England and Wales Refer to page 231 for Gyproc Habito finishing options 159 Aircrete concrete block (internal wall type D) Masonry non-loadbearing block wall, minimum 90kg/m 2 Guidance Construction Finished with 13mm Thistle plaster both sides (see pages 82 and 83) or Masonry non-loadbearing block wall minimum 75kg/m 2 Drylined with 12.5mm Gyproc WallBoard TEN using DriLyner BASIC system Replace 12.5mm Gyproc WallBoard TEN with 12.5mm Gyproc Habito for enhanced robustness and fixing capability bgtechnical.enquiries@bpb.com Guidance Construction England and Wales Refer to page 231 for Gyproc Habito finishing options british-gypsum.com 189

Product focus Choosing Thistle plasters There are many factors to consider when choosing an internal wall finish for a new house or apartment. What kind of performance do I need?

20 Product focus Choosing Thistle plasters There are many factors to consider when choosing an internal wall finish for a new house or apartment. What kind of performance do I need? What level of finish is required? How will the rooms be used? If you choose two-coat systems, they ll help you meet regulations and environmental requirements, as well as mandatory airtightness standards. You can also be sure of a robust solid finish that will help improve sound performance and reduce air leakage. 190 Thistle plasters provide technical solutions, developed to meet the changing needs of housebuilders and homeowners. Whether you choose the two-coat systems or use a plaster skim on drylined walls, you can select from a range of different products. Thistle plasters provide the demanding lining finish properties you need from extra durable plasters that protect against scuffs and knocks, to plasters specifically designed for different types of background. Thistle plasters; creating wall solutions for modern homes. Technical Advice Centre Tel:

21 Upgrading new homes Many homeowners prefer the reassuring feel of a solid wall finished with two-coat Thistle plaster. It s easier to fix to, smooth to the touch and provides additional sound proofing to help stop noise problems within the home. With Thistle plastered walls you can make every home feel special: Give homeowners robust, solid walls throughout their home, or in selected rooms Make fixing heavy objects easier, shelves in a study, for instance, or a 50" flat screen TV in the lounge Resist minor knocks and enable any damage to be repaired quickly and easily When it s time to redecorate, wallpaper is easier to strip from plastered walls bgtechnical.enquiries@bpb.com british-gypsum.com 191

22 Construction details Standard performance (England and Wales) (cont d) Timber frame walls 160 R w 40 db 30 mins BS Timber stud (600mm centres, without insulation) Overall construction nominal width 93mm Minimum 63mm x 38mm non-loadbearing timber studs at 600mm centres Timber noggings are normally required. Please seek advice from timber supplier Lined with a single layer of 15mm Gyproc SoundBloc each side PSR A Add an additional outer layer of 12.5mm Gyproc Habito for enhanced robustness and fixing capability British Gypsum Approved System England and Wales Refer to page 231 for Gyproc Habito finishing options 161 R w 40 db 30 mins BS Timber stud (600mm centres, with insulation) Overall construction nominal width 88mm Minimum 63mm x 38mm non-loadbearing timber studs at 600mm centres Timber noggings are normally required. Please seek advice from timber supplier 25mm Isover Acoustic Partition Roll (APR 1200) in the cavity Lined with a single layer of 12.5mm Gyproc SoundBloc each side PSR A Technical Advice Centre Tel: Add an additional outer layer of 12.5mm Gyproc Habito for enhanced robustness and fixing capability British Gypsum Approved System England and Wales Refer to page 231 for Gyproc Habito finishing options

23 Construction details Standard performance (England and Wales) (cont d) Timber frame walls 162 R w 41 db 30 mins BS Timber stud (600mm centres, with insulation) Overall construction nominal width 88mm Minimum 63mm x 38mm non-loadbearing timber studs at 600mm centres Timber noggings are normally required. Please seek advice from timber supplier 65mm Isover Acoustic Partition Roll (APR 1200) in the cavity Lined with a single layer of 12.5mm Gyproc WallBoard each side PSR A Replace 12.5mm Gyproc WallBoard with 12.5mm Gyproc Habito for enhanced robustness and fixing capability British Gypsum Approved System England and Wales Refer to page 231 for Gyproc Habito finishing options bgtechnical.enquiries@bpb.com british-gypsum.com 193

24 Construction details Standard performance (cont d) Timber frame walls 163 Guidance Construction 60 mins BS Timber stud (internal wall type A) Overall construction nominal width 125mm Minimum 75mm x 38mm timber stud at 600mm centres (loadbearing ratio 60%) Timber noggings are normally required. Please seek advice from timber supplier Board options: Double layer of 12.5mm Gyproc WallBoard TEN each side or Double layer of 12.5mm Gyproc SoundBloc each side PSR A Replace outer plasterboard layer with 12.5mm Gyproc Habito for enhanced robustness and fixing capability Guidance Construction England and Wales Refer to page 231 for Gyproc Habito finishing options 164 Guidance Construction 30 mins BS Timber stud (internal wall type B) Overall construction nominal width 100mm Minimum 75mm x 38mm timber stud at 600mm centres (loadbearing ratio 60%) Timber noggings are normally required. Please seek advice from timber supplier 25mm Isover Acoustic Partition Roll (APR 1200) in the stud cavity Board options: Single layer of 12.5mm Gyproc WallBoard TEN each side or Single layer of 12.5mm Gyproc SoundBloc each side PSR A Technical Advice Centre Tel: Replace plasterboard lining with 12.5mm Gyproc Habito for enhanced robustness and fixing capability Guidance Construction England and Wales Refer to page 231 for Gyproc Habito finishing options

25 Construction details Standard performance (Scotland) / Standard plus performance (England and Wales) Steel frame walls 165 GypWall RAPID db Plus (Gypframe 43 AS 50 AcouStuds at 450mm centres, with insulation) PSR A139A006 R w 43 db 30 mins BS Maximum height 2700mm Overall construction nominal width 75mm 43mm Gypframe 43 AS 50 AcouStud at 450mm centres Use Gypframe Floor & Ceiling Channel vertically at abutments in GypWall RAPID db Plus rather than Gypframe stud section 25mm Isover Acoustic Partition Roll (APR 1200) in the cavity Lined with a single layer of 15mm Gyproc SoundBloc RAPID each side 32mm British Gypsum Drywall Screws are used to fix 15mm Gyproc SoundBloc in the GypWall RAPID db Plus system The innovative door detailing of GypWall RAPID db Plus means that overboarding is not required during installation and, as a result, plasterboard waste is considerably reduced British Gypsum Approved System England, Wales and Scotland NB The fire resistance and sound insulation performance are for imperforate partitions, walls and ceilings incorporating boards with all joints taped and filled, or skimmed according to British Gypsum s recommendations. The quoted performances are achieved only if British Gypsum components are used throughout, and the company s fixing recommendations are strictly observed. Any variation in the specifications should be checked with British Gypsum. bgtechnical.enquiries@bpb.com british-gypsum.com 195

26 Construction details Standard performance (Scotland) / Standard plus performance (England and Wales) (cont d) Steel frame walls 166 GypWall RAPID db Plus (Gypframe 43 AS 50 AcouStuds at 900mm centres, with insulation) PSR A139A003 R w 44 db 30 mins BS Maximum height 2400mm Overall construction nominal width 75mm Gypframe 43mm 43 AS 50 AcouStuds at 900mm centres Gypframe GWR2 Nogging Channels at mid-height Use Gypframe Floor & Ceiling Channel vertically at abutments in GypWall RAPID db Plus rather than Gypframe stud section 25mm Isover Acoustic Partition Roll (APR 1200) in the cavity Lined with a single layer of 15mm Gyproc SoundBloc RAPID each side 32mm British Gypsum Drywall Screws are used to fix 15mm Gyproc SoundBloc in the GypWall RAPID db Plus system The innovative door detailing of GypWall RAPID db Plus means that overboarding is not required during installation and, as a result, plasterboard waste is considerably reduced British Gypsum Approved System England, Wales and Scotland NB The fire resistance and sound insulation performance are for imperforate partitions, walls and ceilings incorporating boards with all joints taped and filled, or skimmed according to British Gypsum s recommendations. The quoted performances are achieved only if British Gypsum components are used throughout, and the company s fixing recommendations are strictly observed. Any variation in the specifications should be checked with British Gypsum. 196 Technical Advice Centre Tel:

27 Construction details Standard performance (Scotland) / Standard plus performance (England and Wales) (cont d) Steel frame walls 167 Generic Internal Construction 60 mins BS Maximum height 3400mm GypWall CLASSIC incorporating 48 S 50 C studs or Gypframe 70 S 50 C studs (Internal wall type 2) Overall construction width 100mm Minimum 48mm Gypframe 48 S 50 C Studs at 600mm centres Double layer of 12.5mm Gyproc SoundBloc or double layer Gyproc WallBoard TEN to both sides Replace outer plasterboard layer with 12.5mm Gyproc Habito for enhanced robustness and fixing capability Generic Internal Construction Scotland Refer to page 231 for Gyproc Habito finishing options 168 GypWall CLASSIC incorporating 48 S 50 C studs or Gypframe C studs and insulation (Internal wall type 2A) Generic Internal Construction 30 mins BS Maximum height 2500mm Overall construction width 75mm Minimum 48mm Gypframe 48 S 50 C Studs at 600mm centres 25mm Isover Acoustic Partition Roll (APR 1200) Single layer of 12.5mm Gyproc SoundBloc or Gyproc WallBoard TEN to both sides Replace plasterboard lining with 12.5mm Gyproc Habito for enhanced robustness and fixing capability bgtechnical.enquiries@bpb.com Generic Internal Construction Scotland Refer to page 231 for Gyproc Habito finishing options british-gypsum.com 197

28 Construction details Standard performance (Scotland) / Standard plus performance (England and Wales) (cont d) Masonry walls 169 Generic Internal Construction Aggregate concrete block 120kg/m 2 (internal wall type 3) Masonry block wall minimum 120kg/m 2 Finished with 13mm Thistle plaster (see pages 82 and 83) or drylined with 12.5mm Gyproc WallBoard using DriLyner BASIC system Replace 12.5mm Gyproc WallBoard with 12.5mm Gyproc Habito for enhanced robustness and fixing capability Generic Internal Construction Scotland Refer to page 231 for Gyproc Habito finishing options 170 Generic Internal Construction Aggregate concrete block kg/m 3 (internal wall type 3A) Aggregate block wall, density kg/m 3 Finished with 13mm Thistle plaster (see pages 82 and 83) or drylined with 12.5mm Gyproc WallBoard using DriLyner BASIC system Replace 12.5mm Gyproc WallBoard with 12.5mm Gyproc Habito for enhanced robustness and fixing capability 198 Technical Advice Centre Tel: Generic Internal Construction Scotland Refer to page 231 for Gyproc Habito finishing options

29 Construction details Standard performance (Scotland) / Standard plus performance (England and Wales) (cont d) Masonry walls 171 Generic Internal Construction Aggregate concrete block kg/m 3 (internal wall type 3B) Aggregate block wall, density kg/m 3 Finished with 13mm Thistle plaster (see pages 82 and 83) or drylined with 12.5mm Gyproc WallBoard using DriLyner BASIC system Replace 12.5mm Gyproc WallBoard with 12.5mm Gyproc Habito for enhanced robustness and fixing capability Generic Internal Construction Scotland Refer to page 231 for Gyproc Habito finishing options 172 Aircrete concrete block (internal wall type 4) Masonry non-loadbearing block wall, minimum 90kg/m 2 Generic Internal Construction Finished with 13mm Thistle plaster both sides (see pages 82 and 83) or Masonry non-loadbearing block wall minimum 75kg/m 2 Drylined with 12.5mm Gyproc WallBoard TEN using DriLyner BASIC system Replace 12.5mm Gyproc WallBoard TEN with 12.5mm Gyproc Habito for enhanced robustness and fixing capability bgtechnical.enquiries@bpb.com Generic Internal Construction Scotland Refer to page 231 for Gyproc Habito finishing options british-gypsum.com 199

30 Construction details Standard performance (Scotland) / Standard plus performance (England and Wales) (cont d) Timber frame walls 173 R w 43 db 30 mins BS Timber stud Overall construction width 93mm 63mm timber studs at 600mm centres 50mm Isover Acoustic Partition Roll (APR 1200) Single layer of 15mm Gyproc SoundBloc to both sides PSR A Add an additional outer layer of 12.5mm Gyproc Habito for enhanced robustness and fixing capability British Gypsum Approved System England, Wales and Scotland Refer to page 231 for Gyproc Habito finishing options 174 Timber stud Generic Internal Construction (Internal wall type 1) Generic Internal Construction 60 mins BS Overall construction width 125mm 75mm timber studs at 600mm centres Double layer of 12.5mm Gyproc SoundBloc or double layer of Gyproc WallBoard TEN to both sides Replace outer layer of 12.5mm Gyproc WallBoard with 12.5mm Gyproc Habito for enhanced robustness and fixing capability 200 Technical Advice Centre Tel: Generic Internal Construction Scotland Refer to page 231 for Gyproc Habito finishing options

31 Construction details Standard performance (Scotland) / Standard plus performance (England and Wales) (cont d) Timber frame walls 175 Timber stud Generic Internal Construction (Internal wall type 1A) Overall construction width 100mm Generic Internal Construction 30 mins BS 75mm timber studs at 600mm centres 25mm Isover Acoustic Partition Roll (APR 1200) Single layer of 12.5mm Gyproc SoundBloc or Gyproc WallBoard TEN to both sides Replace plasterboard lining with 12.5mm Gyproc Habito for enhanced robustness and fixing capability Generic Internal Construction Scotland Refer to page 231 for Gyproc Habito finishing options 176 Silent Wall performance levels (see page 215) Silent Wall Overall construction nominal width between 123mm and 132mm Gypframe 70 S 50 C Studs or 63mm timber studs at 600mm centres 50mm Isover APR 1200 in the partition cavity Lined with a double layer of 15mm Gyproc SoundBloc PSR A Replace outer layer with 12.5mm Gyproc Habito for enhanced robustness and fixing capability bgtechnical.enquiries@bpb.com British Gypsum Approved System England, Wales and Scotland Refer to page 231 for Gyproc Habito finishing options british-gypsum.com 201

32 Header 1 Header 2 Body copy Internal floors 202 Technical Advice Centre Tel:

33 Legislation and guidance England and Wales - National Building Regulations Approved Document E Approved Document E (ADE) gives guidance on how to provide reasonable standards of sound insulation in dwellings and other residential buildings within England and Wales. The aim of the standard is to improve the acoustic environment by reducing noise transmission both between, and within, all residential dwellings. Therefore, in addition to specifying levels of sound insulation for separating constructions, Building Regulations Approved Document E also includes a required level of sound insulation for internal constructions. Requirement E2: Dwelling-houses, flats and rooms for residential purposes shall be designed and constructed in such a way that internal floors provide reasonable resistance to sound. Element of construction Internal floor Minimum airborne sound transmission (laboratory test result) R w 40 db Complying with the regulations Pre-Completion Testing is not required for internal floor constructions in England or Wales. Building Control check internal constructions at plan stage to ensure the details specified will meet this required performance. In England and Wales, housebuilders can follow one of two routes to demonstrate compliance for new-build houses and apartments: Using Guidance Constructions, or Using manufacturers proprietary systems Guidance Constructions Guidance Constructions are shown in this section incorporating British Gypsum products, where appropriate. These details are British Gypsum versions of Guidance Constructions, which, provided they are built correctly, are deemed to achieve the regulatory requirements. Manufacturers Proprietary Systems British Gypsum Approved Systems have been laboratory tested and have shown they have the potential to achieve the required performance criteria for internal wall construction within new-build houses and flats, provided they are built correctly. bgtechnical.enquiries@bpb.com british-gypsum.com 203

34 Header 1 Header 2 Body copy 204 Technical Advice Centre Tel:

35 Legislation and guidance (cont d) Scotland Domestic Technical Handbook Section 5: Noise On the 1st October 2010 a new version of the Domestic Technical Handbook Section 5: Noise, came into force in Scotland. This version was introduced following the first major review, for over 20 years, of the design performance requirements of previous technical handbooks. Section 5 not only aims to limit sound transmission emanating from attached buildings; from October 2010, it also covers sound from within the same dwelling if the occupants are in rooms where they would expect to have some degree of peace and quiet. Standard 5.2: Every building, must be designed and constructed in such a way to limit the transmission of source noise from normal domestic type activities, through a wall or floor, between a room and internal space where noise is likely to occur, to a level that will not cause inconvenience to the building occupants. Standard 5.2 applies to an internal floor forming a room in a dwelling, or a room in a residential building, which is capable of being used for sleeping. Element of construction Minimum airborne sound transmission (laboratory test result) R w Internal floor 43 db Complying with the regulations Post-Completion Testing is not required for internal floor constructions in Scotland. Building Control check internal constructions at plan stage to ensure the details specified will meet the required performance. Generic Internal Constructions Generic Internal Constructions are shown in this section incorporating British Gypsum products, where appropriate. These details are British Gypsum versions of Generic Internal Constructions, which, provided they are built correctly, are deemed to achieve the regulatory requirements. In Scotland, housebuilders can follow one of two routes to demonstrate compliance for new-build houses and apartments: Using Generic Internal Constructions, or Using manufacturers proprietary systems Manufacturers Proprietary Systems British Gypsum Approved Systems have been laboratory tested and have shown they have the potential to achieve the required performance criteria for internal wall construction within new-build houses and flats, provided they are built correctly. bgtechnical.enquiries@bpb.com british-gypsum.com 205

36 System reference for internal floors Solutions Build method Detail / Floor type Category Standard acoustic performance (England and Wales) Internal floor solutions to meet minimum national Building Regulations requirements in England and Wales Timber Proprietary British Gypsum Approved System Proprietary England and Wales Proprietary Proprietary Proprietary Concrete Internal Floor type C Internal Floor type A Internal Floor type B Guidance Construction England and Wales Guidance Construction England and Wales Standard acoustic performance (Scotland) / Standard plus acoustic performance (England and Wales) Internal floor solutions to meet minimum national Building Regulations requirements in Scotland, or to provide enhanced performance for homes in England and Wales Timber Proprietary British Gypsum Approved System England, Wales and Scotland Proprietary Proprietary Internal Floor type 1 Generic Internal Construction Scotland Superior performance (England, Wales and Scotland) Delivering substantially enhanced levels of sound insulation, so different members of the family can turn TV s and stereos up loud, or enjoy a quiet s night sleep, without any compromise Timber Proprietary British Gypsum Approved System England, Wales and Scotland 206 Technical Advice Centre Tel:

37 Description Page Detail Solid timber joist with 15mm Gyproc WallBoard ceiling lining 208 Engineered timber I joist with 15mm Gyproc WallBoard ceiling lining 208 Solid timber joist with 12.5mm Gyproc SoundBloc ceiling lining 209 Solid timber joist with 12.5mm Gyproc FireLine ceiling lining Solid timber joist with Gypframe RB2 SureFix Bar and 12.5mm Gyproc WallBoard ceiling lining Solid timber joist with insulation and 12.5mm Gyproc WallBoard TEN or 12.5mm Gyproc SoundBloc ceiling lining Concrete planks Beam and block Solid timber joist with Gypframe RB1 Resilient Bar and 12.5mm Gyproc WallBoard ceiling lining Engineered timber I joist with Gypframe RB1 Resilient Bar and 15mm Gyproc WallBoard ceiling lining Solid timber joist with Gypframe RB1 Resilient Bar or RB2 SureFix Bar and 12.5mm Gyproc FireLine ceiling lining Solid timber joist with insulation and 12.5mm Gyproc WallBoard TEN or 12.5mm Gyproc SoundBloc ceiling lining Engineered timber I joist with Gypframe RB1 Resilient Bar and 15mm Gyproc SoundBloc ceiling lining bgtechnical.enquiries@bpb.com british-gypsum.com 207

38 Construction details Standard performance (England and Wales) Timber joist floors 177 R w 40 db 30 mins BS Solid timber joist 22mm t&g chipboard flooring Minimum 195mm deep solid joists at 600mm centres Lined with a single layer of 15mm Gyproc WallBoard PSR C British Gypsum Approved System England and Wales 178 R w 41 db 30 mins BS Engineered timber I joist 22mm t&g chipboard flooring Minimum 240mm deep engineered I joists at 600mm centres Lined with a single layer of 15mm Gyproc WallBoard When specifying engineered timber joists, please seek advice from the manufacturer regarding the specification of noggings PSR C British Gypsum Approved System England and Wales 208 Technical Advice Centre Tel: NB This is based on a test with a typical I joist. For I joists by specific manufacturers, consult them direct.

39 Construction details Standard performance (England and Wales) (cont d) Timber joist floors 179 R w 42 db 30 mins BS Solid timber joist 22mm t&g chipboard flooring Minimum 195mm deep solid joists at 600mm centres Lined with a single layer of 12.5mm Gyproc SoundBloc PSR C British Gypsum Approved System England and Wales 180 R w 40 db 60 mins BS Solid timber joist 22mm t&g chipboard flooring Minimum 195mm deep solid joists at 600mm centres Lined with a double layer of 12.5mm Gyproc FireLine PSR C British Gypsum Approved System England and Wales bgtechnical.enquiries@bpb.com Room-in-the-roof This construction meets current legislation (national Building Regulations Approved Document B) in situations where the internal floor construction in a room-in-the-roof is required to achieve 60 minutes fire resistance. british-gypsum.com 209

40 Construction details Standard performance (England and Wales) (cont d) Timber joist floors 181 R w 41 db 30 mins BS Solid timber joist and Gypframe RB2 SureFix Bar 22mm t&g chipboard flooring Minimum 195mm deep solid joists at 600mm centres Gypframe RB2 SureFix Bars at 450mm centres Lined with a single layer of 12.5mm Gyproc WallBoard PSR C British Gypsum Approved System England and Wales Post installation shrinkage of timber joists, if excessive, can cause fixing defects. The use of Gypframe RB2 SureFix Bar can eliminate the problem. 182 Guidance Construction Solid timber joists (Internal floor type C) Timber joist floor with wood based flooring minimum 15kg/m 2 surface mass 100mm Isover Acoustic Partition Roll (APR 1200) Board options: Lined with 12.5mm Gyproc WallBoard TEN or A single layer of 12.5mm Gyproc SoundBloc 210 Technical Advice Centre Tel: Guidance Construction England and Wales

41 Construction details Standard performance (England and Wales) (cont d) Masonry floors 183 Concrete plank (Internal floor type A) Pre-cast concrete planks with mass per unit area minimum 180kg/m 2 Guidance Construction Optional screed Optional ceiling finish, e.g. GypLyner UNIVERSAL or CasoLine MF, to accommodate services in the ceiling plenum, lined with 12.5mm Gyproc WallBoard Guidance Construction England and Wales 184 Beam and block (Internal floor type B) Beam and block floor, surface mass minimum 220kg/m 2 Guidance Construction Minimum 40mm bonded sand / cement screed GypLyner UNIVERSAL or CasoLine MF ceiling 25mm Isover Acoustic Partition Roll (APR 1200) in the cavity Board options: Lined with a single layer of 12.5mm Gyproc WallBoard TEN or A single layer of 12.5mm Gyproc SoundBloc bgtechnical.enquiries@bpb.com Guidance Construction England and Wales british-gypsum.com 211

42 Construction details Standard performance (Scotland) / Standard plus performance (England and Wales) Timber joist floors 185 R w 44 db 30 mins BS Solid timber joists and Gypframe RB1 Resilient Bar 22mm t&g chipboard flooring Minimum 195mm deep solid joists at maximum 600mm centres Gypframe RB1 Resilient Bars at 450mm centres Lined with a single layer of 12.5mm Gyproc WallBoard PSR C British Gypsum Approved System England, Wales and Scotland Post installation shrinkage of timber joists, if excessive, can cause fixing defects. The use of Gypframe RB1 Resilient Bar can eliminate the problem. 186 R w 44 db Engineered timber I with Gypframe RB1 Resilient Bar 18mm (minimum) t&g chipboard walking surface (minimum weight 15kg/m 2 ) Minimum 240mm deep engineered I joists at 450mm centres Gypframe RB1 Resilient Bars at 450mm centres Single layer of 15mm Gyproc WallBoard PSR C British Gypsum Approved System England, Wales and Scotland 212 Technical Advice Centre Tel: For details regarding the fire resistance performance of this construction, advice should be sought from the I joist manufacturer.

43 Construction details Standard performance (Scotland) / Standard plus performance (England and Wales) (cont d) Timber joist floors 187 R w 45 db 60 mins BS Solid timber joists and Gypframe RB1 Resilient Bar 18mm t&g chipboard flooring, minimum 195mm deep solid joists at 450mm centres or 22mm t&g chipboard flooring minimum 195mm deep solid joists at 600mm centres Gypframe RB1 Resilient Bars at 450mm centres Lined with a double layer of 12.5mm Gyproc FireLine PSR C British Gypsum Approved System England, Wales and Scotland Post installation shrinkage of timber joists, if excessive, can cause fixing defects. The use of Gypframe RB1 Resilient Bar can eliminate the problem. Room-in-the-roof This construction meets current legislation (national Building Regulations Approved Document B) in situations where the internal floor construction in a room-in-the-roof is required to achieve 60 minutes fire resistance. 188 Generic Internal Construction Solid timber joists (Internal floor type C) Timber joist floor with wood based flooring minimum 15kg/m 2 surface mass 100mm Isover Acoustic Partition Roll (APR 1200) Lined with a double layer of 12.5mm Gyproc WallBoard TEN or a double layer of 12.5mm Gyproc SoundBloc bgtechnical.enquiries@bpb.com Generic Internal Construction Scotland british-gypsum.com 213

44 Construction details Superior performance Timber joist floors 189 Silent Floor performance levels (see page 236) Silent Floor 22mm t&g chipboard flooring Minimum 240mm deep engineered I joists 100mm Isover Acoustic Partition Roll (APR 1200) Gypframe RB1 Resilient Bars at 450mm centres Lined with a double layer of 15mm Gyproc SoundBloc British Gypsum Approved System England, Wales and Scotland 214 Technical Advice Centre Tel:

Construction details Superior performance (cont d) Controlling the volume Delivering substantially enhanced levels of sound insulation, our enhanced ceiling systems enable different members of the

45 Construction details Superior performance (cont d) Controlling the volume Delivering substantially enhanced levels of sound insulation, our enhanced ceiling systems enable different members of the family to turn it up loud or enjoy a quiet night s sleep without any compromise. At home with noise Some things just need to be enjoyed loud! Restoring harmony The simple fact is that activities in the home are not always compatible and one person s enjoyment is another person s pet hate, with noise being the most common complaint among families. Construction details 176 and 189 provides a substantial improvement over a standard building regulation floor, giving families the possibility to enjoy their home in more ways than one. Having friends round, listening to music, watching films, cheering on the football, playing video games or practising instruments, our enhanced partition and ceiling solutions, meeting Silent Floor performance levels, can let families do all these without worrying that they re disturbing anybody else. Peace and quiet Noise breakthrough from other rooms can be annoying for anyone. This is especially true for people working nightshifts or lodging in rented rooms. Equally, there are some areas of the home, such as nurseries, studies, bedrooms, and personal libraries, where quietness is especially valued. Silent Wall and Floor performance ensures everyone has the peace they need. The British Gypsum difference The secret of our partition and ceiling systems lies in the resiliently mounted ceilings and Gyproc SoundBloc linings. These solutions outperform standard details by up to 15 db - a substantial improvement. bgtechnical.enquiries@bpb.com british-gypsum.com 215

46 Acoustic ceilings 216 Technical Advice Centre Tel:

47 Acoustic ceilings A ceiling is unlike any other area within a building. The look you create will remain untouched, uncluttered and unaffected by any other objects, and as such the ceiling can play a major role in your creative vision for the space. A well-designed ceiling can enhance the way an area looks, sounds and feels. The British Gypsum range of acoustic ceilings combine contemporary, stylish design with outstanding acoustic performances. The Rigitone and Gyptone systems provide virtually unlimited design scope for creating stunning spaces. ACTIVair technology: Creating the perfect atmosphere Improving the indoor environment is a major consideration. People often experience health problems, with symptoms ranging from headaches and nausea to chronic fatigue and breathing difficulties, after extended periods of time spent indoors. Many of these systems can be attributed to Volatile Organic Compounds (VOCs). VOCs are emitted into our homes by people, pets, cleaning products as well as furniture carpets, paints and varnishes. ACTIVair from British Gypsum is a new technology that absorbs VOCs from the room interior and breaks them down into harmless inert compounds, eliminating the risk of re-emission. ACTIVair decomposes up to 70% of VOCs in a controlled test environment. Our VOC-absorbing ACTIVair technology is now included in many Gyptone products as standard, allowing you to create a ceiling that not only improves the look and feel of a space, but also the quality of the air within. Acoustic ceilings in communal areas National Building Regulations Approved Document E was updated in 2010 to build on best practice. Section E3 of the regulations covers reverberation noise in the common internal parts of buildings containing flats or rooms for residential purposes. The regulations state that: The common internal parts of buildings which contain flats or rooms for residential purposes shall be designed and constructed in such a way as to prevent more reverberation around the common parts than is reasonable. Lining the common internal parts of buildings with sound absorbing materials can effectively control reverberation, however the introduction of these materials into communal areas can create real design issues. Using carpets that are capable of giving the high levels of sound absorption required, for instance, can lead to problems with ongoing maintenance and long term durability. Equally, installing common mineral fibre tiles on exposed metal grids can give areas an institutional feel and detract from the overall building design. With a track record of use in some of the most prestigious buildings in the UK and throughout Europe, British Gypsum ceilings create flexibility in design and construction. The range of ceiling tiles, planks and boards have all of gypsum s own unique strength and acoustic qualities. The wide range of innovative and contemporary designs provide interior designers with inspiration and flexibility, enabling them to realise fully the visual and acoustic ambience of their designs. Installers and users benefit as well. Installation is rapid and simple. Designed for low maintenance and high durability, a British Gypsum ceiling is an investment that keeps performing year after year, plus it can be redecorated without affecting performance. bgtechnical.enquiries@bpb.com british-gypsum.com 217

48 Approved Document E Sound absorption legislation requirements What is reverberation? In acoustics, reverberation refers to the multiple reflections, or echoes, of sounds inside a building that merge and persist a short time (up to a few seconds) before fading away. At each reflection, some of the sound energy is absorbed, causing the amplitude of the sound wave, and the intensity of the sound, to reduce. The problem of reverberation In increasing numbers, people living within apartments complain about the noise generated within their apartment buildings. The use of hard floor surfaces and high ceilings are a major contribution to this unwanted noise. Sounds generated in communal spaces, that continue unabated, will tend to build up in intensity and cause noise nuisance and disturbance within adjacent living areas. Controlling reverberation Building Regulations Approved Document E offers guidance on how to provide reasonable standards of sound insulation in dwellings and other residential buildings, for both new-build and refurbishment / conversions. Section E3 of these regulations covers reverberation noise in the common internal parts of buildings containing flats or rooms for residential purposes. Requirement E3 applies to all corridors, stairwells, hallways and entrance halls that give access to, or are adjacent to, the flat or rooms being used for residential purposes. Lining ceilings and walls with sound absorbing materials can effectively control reverberation. The regulations give two methods of calculating the amount of absorption required in any communal areas. The two methods are referred to as Method A and Method B. In our experience Method A is the most common practice and easier to comprehend. In comparison to Method A, Method B takes into account existing absorption provided by all surfaces. However, the method is more complex and requires knowledge of all materials to be used for lining the area and their sound absorption coefficients. Therefore in this publication we refer to Method A only. If you want to use Method B please refer to Building Regulations Approved Document E, section 7: Reverberation in the common internal parts of buildings containing flats or rooms for residential purposes. To simplify the specification of materials, the sound absorption performance can be quoted as an absorber Class. There are five classes (A through to E) with Class A signifying the products with the highest level of sound absorption. However, to comply with Approved Document E using method A, only class C or D is required. Please note, sound absorbing ceilings are required as a separate entity to any sound insulation requirements. For example, sound absorbing ceilings should be installed below the relevant sound insulating and fire protective ceiling. Please refer to pages Technical Advice Centre Tel:

Sound absorption in communal areas Method A Entrance halls, corridors or hallways Cover an area equal to, or greater than, the floor area, with a Class C absorber or better.

49 Sound absorption in communal areas Method A Entrance halls, corridors or hallways Cover an area equal to, or greater than, the floor area, with a Class C absorber or better. It is normally more practical to cover the ceiling area with the required absorption. Stairwells or stair enclosures Calculate the combined area of the stair treads, the upper surface of the intermediate landings, the upper surface of the landings (excluding ground floor) and the ceiling area of the top floor. Either cover at least an area equal to this calculated area with a Class D absorber, or cover an area equal to at least 50% of this calculated area with a Class C absorber or better. The absorption material should be equally distributed between floor levels. It will normally be convenient to cover the underside of intermediate landings, the underside of the other landings, and the ceiling on the top floor. However, where there is insufficient ceiling area available, the absorptive materials can be applied to any surface. In this case, the use of Gyptone boards as wall linings would be a suitable solution. Entrance halls, corridors or hallways Method A requires a Class C absorber with an area equivalent to the floor area to be installed in the corridor. Where the corridor width exceeds 1200mm, e.g. one full board width, it may be desirable to install a plain board border. This is possible using all Class C absorbers listed below. For example, Gyptone QUATTRO 41 boards can be installed with an area equivalent to 10% of the total ceiling area being plain board. This area can be increased to 24% of total ceiling area if a 50mm Isover Acoustic Partition Roll (APR 1200) insulation is included in the cavity. These plain board areas are in addition to the areas of unperforated board that form part of the Gyptone QUATTRO board. bgtechnical.enquiries@bpb.com british-gypsum.com 219

50 Product reference guide for acoustic ceilings Product range Product Minimum cavity / plenum (mm) Isover Acoustic Partition Roll (APR 1200) insulation (mm) Sound absorption class System reference Gyptone tile Gyptone SIXTO (min) 50 Class B C10A105 Gyptone LINE 4 45 (min) 50 Class C C10A094 Gyptone LINE 4 45 (min) N/A Class C C10A005 Gyptone QUATTRO (min) N/A Class C C10A003 Gyptone QUATTRO (min) N/A Class C C10A109 Gyptone SIXTO (min) N/A Class C C10A099 Gyptone plank Gyptone LINE 8 Plank 200 (min) N/A Class C C10A009 Gyptone POINT 15 Plank 200 (min) N/A Class C C10A010 Gyptone QUATTRO 55 Plank 200 (min) N/A Class C C10A034 Gyptone board Gyptone QUATTRO (min) N/A Class C C10A092 Gyptone SIXTO (min) N/A Class C C10A114 Gyptone LINE 6 45 (min) N/A Class D C10A012 Gyptone QUATTRO (min) N/A Class D C10A110 Gyptone QUATTRO (min) 50 Class D C10A017 Rigitone board Rigitone 12/25 Q Class B C10A132 Rigitone 8/18 Q Class B C10A126 Rigitone 12/25 Q 50 (min) N/A Class C C10A131 Rigitone 15/30 Q 50 (min) 50 Class C C10A096 Rigitone 8/18 50 (min) 50 Class C C10A095 Rigitone 10/23 50 (min) N/A Class D C10A038 Rigitone 12/25 50 (min) N/A Class D C10A127 Rigitone 12-20/66 50 (min) N/A Class D C10A042 Rigitone SUPER 200 N/A Class D C10A Technical Advice Centre Tel:

51 For the equivalent percentage of plain board of all Class C absorbers, see table below. Percentage area of plain board Product Without insulation Without insulation as specified Gyptone LINE 4-13% Gyptone QUATTRO 41 10% 24% Gyptone QUATTRO 45 6% 19% Gyptone QUATTRO 55 10% 24% Gyptone POINT 11 5% 5% Rigitone 15/30-7% For example A corridor 1.5m wide x 10m long, total area = 15m m wide Gyptone QUATTRO 41 board is fixed down the centre of the corridor with a 150mm wide border of plain board. Area of Gyptone board = 12m 2 = 80% Area of plain board = 3m 2 = 20% In this case it would be necessary to install 50mm Isover Acoustic Partition Roll (APR 1200) within the cavity. 10m 1.2m 1.5m Gyptone board Gyproc WallBoard bgtechnical.enquiries@bpb.com british-gypsum.com 221

52 Method A - Worked examples Stairwells or stair enclosures Example Area of stair treads = 20 stairs x 1.2m wide x 0.25m deep = 6m 2 Area of intermediate landings = 1.6m x 1.6m = 2.56m 2 Top floor ceiling area = 3.8m x 4.3m = 16.34m 2 Total area = 24.9m 2 Solutions Install 12.5m 2 of Class C absorber, e.g. Gyptone QUATTRO 41 on CasoLine MF or Install 24.9m 2 of Class D absorber, e.g. Gyptone LINE 6 on CasoLine MF Corridor or hallway Example Total corridor area = (1.8m x 14.4m) = 25.92m 2 Solutions Install 25.92m 2 of Class C absorber, e.g. Gyptone QUATTRO 41 on CasoLine MF or Gyptone QUATTRO 55 Plank on CasoLine GRID NB The examples above utilise Method A as defined in national Building Regulations Approved Document E. 222 Technical Advice Centre Tel:

53 British Gypsum acoustic ceiling products Rigitone boards Rigitone 8/18 Rigitone SUPER Rigitone 8/18 Q Rigitone 12-20/66 Rigitone 12/25 Rigitone 12/25 Q Rigitone 15/30 Rigitone 10/23 Gyptone boards Gyptone QUATTRO 41 Gyptone QUATTRO 42 Gyptone QUATTRO 46 Gyptone QUATTRO 47 Gyptone LINE 6 Gyptone SIXTO 63 Gyptone BASE 31 Gyptone LINE 7 Curve bgtechnical.enquiries@bpb.com british-gypsum.com 223

54 British Gypsum acoustic ceiling products (cont d) Gyptone tiles Gyptone QUATTRO 20 Gyptone QUATTRO 22 Gyptone QUATTRO 50 Gyptone POINT 11 Gyptone POINT 12 Gyptone LINE 4 Gyptone SIXTO 60 Gyptone QUATTRO 55 Gyptone LINE 8 Plank Gyptone POINT 15 Plank 224 Technical Advice Centre Tel:

British Gypsum acoustic ceiling products (cont d) Gyptone tiles A range of tiles with square perforations and a special sound absorbent tissue backing, providing a jointless finish that is ready for

Gyptone tiles are available with ACTIVair technology.

55 British Gypsum acoustic ceiling products (cont d) Gyptone tiles A range of tiles with square perforations and a special sound absorbent tissue backing, providing a jointless finish that is ready for on-site decoration. You can choose from five eye-catching designs, inspired by a theme of basic geometric patterns, to create the visual effect that you want. These tiles are pre-finished in white. Gyptone tiles are available with ACTIVair technology. Gyptone QUATTRO 20 CasoLine QUICK-LOCK GRID suspended concealed grid ceiling system Typical component list Gypframe CasoLine MF MF12 Soffit Cleat Suspension wire (14swg) Wall Angle CLWA02 24mm x 19mm x 3000mm CasoLine QUICK-LOCK GRID Main Tee 24/38 CLT mm x 3600mm CasoLine QUICK-LOCK GRID Cross Tee CLT24D101 24mm x 600mm CasoLine QUICK-LOCK GRID Wall Spring Clip CLC02 bgtechnical.enquiries@bpb.com british-gypsum.com 225

British Gypsum acoustic ceiling products (cont d) Gyptone planks Providing an innovative and exciting combination of design and performance, with limitless options for building interiors.

56 British Gypsum acoustic ceiling products (cont d) Gyptone planks Providing an innovative and exciting combination of design and performance, with limitless options for building interiors. A fully demountable system giving complete uninterrupted access to the ceiling cavity and the ideal solution for corridors. Available in Gyptone QUATTRO, Gyptone POINT or Gyptone LINE patterns pre-finished in white. Gyptone QUATTRO 55 (2400mm) CasoLine QUICK-LOCK GRID suspended grid plank ceiling system Typical component list CasoLine QUICK-LOCK GRID Main T section CLT15P01 - E15 x 1800mm CLT15P02 - E15 x 2100mm CLT15P03 - E15 x 2400mm CasoLine QUICK-LOCK GRID Shadowline Moulding CLSM mm Optional British Gypsum Wafer Head Jack-Point Screws 13mm Wall Angle CLWA02 24mm x 19mm x 3000mm 226 Technical Advice Centre Tel:

British Gypsum acoustic ceiling products (cont d) Gyptone boards An inspired range of new generation ceiling and wall lining design, providing the ideal solution for communal areas.

57 British Gypsum acoustic ceiling products (cont d) Gyptone boards An inspired range of new generation ceiling and wall lining design, providing the ideal solution for communal areas. Their geometric patterns with an integral sound absorbent tissue backing provides high levels of acoustic performance. Boards can also be curved to a minimum radius of 1200mm for dramatic ceiling effects. Gyptone boards are available with ACTIVair technology. Gyptone LINE 6 CasoLine MF suspended ceiling system for board solutions Typical component list Gypframe MF12 Soffit Cleat 27 x 37 x 25 x 1.6mm Gypframe MF5 Ceiling Section 80 x 26 x 0.50mm 3600mm length Gypframe MF11 Nut and Bolt 6.4mm x 12.5mm Gypframe MF9 Connecting Clip 2.65mm gauge Gypframe MF8 Strap Hanger 25 x 0.55mm 25m length British Gypsum Wafer Head Jack-Point Screws 13mm Or Gypframe GA1 Steel Angle 25 x 25 x 0.55mm 2900mm length British Gypsum Drywall Screws 25mm for single layer (Gyptone) Gypframe MF6 Perimeter Channel 20 x 27 x 30 x 0.50mm 3600mm length bgtechnical.enquiries@bpb.com Gypframe MF7 Primary Support Channel 15 x 45 x 0.90mm 3600mm length british-gypsum.com 227

British Gypsum acoustic ceiling products (cont d) Rigitone boards Allows you to create stunning, seamless, high performance design with the grid completely out of sight.

58 British Gypsum acoustic ceiling products (cont d) Rigitone boards Allows you to create stunning, seamless, high performance design with the grid completely out of sight. Secured to our CasoLine MF system, Rigitone boards come in eight distinctive perforation patterns that join together to given an unbroken regular or random, flat or curved pattern (minimum radius of 1200mm) across the entire ceiling area. Rigitone SUPER 228 Technical Advice Centre Tel:

59 British Gypsum ceiling systems 190 Timber joist floor with secondary acoustic ceiling 18mm chipboard walking surface 19mm Gyproc Plank 50mm timber battens 15mm wood based sub-deck Timber Joists 100mm Isover Acoustic Partition Roll (APR 1200) Gypframe RB1 Resilient Bars at 400mm centres Two layers of 15mm Gyproc SoundBloc Continuous Gypframe GA1 Steel Angle at 1200mm centres fixed through plasterboard to all resilient bars Gypframe GL5 or GL6 Timber Connector at 1200mm centres fixed to steel angle with British Gypsum Wafer Head Screws Gypframe GL1 Lining Channel at 600mm centres mm Gyptone acoustic boards 191 Timber rafter ceiling with secondary acoustic ceiling Isover insulation Timber rafters Gyproc plasterboard Gypframe GL2 or GL9 Brackets at maximum 1200mm centres fixed through plasterboard to timber rafters Gypframe GL1 Lining Channel at 600mm centres 12.5mm Gyptone acoustic boards british-gypsum.com 229

60 Finishing advice 230 Technical Advice Centre Tel:

Finishing advice The tried and tested finish for every situation Creating that great finish Homeowners are quick to notice a poor quality finish.

61 Finishing advice The tried and tested finish for every situation Creating that great finish Homeowners are quick to notice a poor quality finish. With Thistle finishing plasters, you get a superior finish, smooth surface whether you re skimming on plasterboard or using a two-coat plaster system. And it s ready to take whatever decorative treatment you choose. Jointing Gyproc jointing materials produce durable joint reinforcement and a smooth, continuous, crack-resistant surface ready for priming and final decoration. They also seal the lining, a prerequisite if the building element is to achieve specified levels of fire resistance and sound insulation. The materials can be applied either manually using hand tools, or mechanically, using a mechanical jointing system. A number of jointing specifications are available to suit the board type, method of application, and site preference. The jointing process normally involves three application stages; bedding the tape and bulk filling the joint, secondary filling to take up shrinkage, and finishing. After drying, the complete surface is treated with Gyproc Drywall Primer or Gyproc Drywall Sealer. Plaster skimming Where plasterboard has a square edge, or a cut edge, skimming is the best way to provide a smooth finish ready for decorating. Skim plastering gives many of the advantages of a traditional solid plaster finish combined with quick turnaround on site. Surface preparation simply involves joint reinforcement and, if tapered edge board is used, flushing-out the tapers. The plaster is applied to the wall or ceiling surface to a nominal 2mm thickness. Skimming with a finish plaster can also provide the installer with added flexibility where screw fixings are not perfectly flat. Finishing Gyproc Habito When installing Gyproc Habito onto a metal frame, tape and joint preparation is recommended and approved by British Gypsum. For timber frame and blockwork, Gyproc Habito can be finished as normal. Board types T/E - for taped and filled joints using Gyproc jointing materials or application of Thistle BoardFinish, Thistle MultiFinish, Thistle DuraFinish or Thistle SprayFinish plasters. Plastering The face (ivory) of Gyproc Habito can be plastered with either Thistle BoardFinish, Thistle MultiFinish, Thistle Magnetic Plaster, Thistle DuraFinish or Thistle SprayFinish plasters. There should be the minimum of delay between completion of the lining and the commencement of plastering. Jointing Gyproc jointing materials produce a smooth, continuous, crack-resistant surface ready for priming and final decoration. A number of jointing specifications are available to suit the board type, method of application and site preference. It is much harder to achieve a smooth result with a tape and joint method when the board edge is not tapered Ceiling with skim finish plaster is the best way to provide a smooth finish ready for decorating bgtechnical.enquiries@bpb.com british-gypsum.com 231

62 Typical semi-detached house layout Where to use a skim finish A skim finish not only provides a better finish, it is also more robust, providing additional resistance to damage in high traffic areas or rooms subject to greater wear and tear. The solid green line shown on the example layouts below, indicates where a skim finish on plasterboard provides the best protection on walls which have to withstand regular abrasion. The dotted line denotes areas where either a skim finish or plasterboard which is taped and jointed can be used. Ground Floor First Floor LOUNGE BEDROOM 2 EN-SUITE MASTER BEDROOM KITCHEN/DINING CYL W PLAY ROOM ST BATHROOM PLAY ROOM ST BATHROOM KITCHEN/DINING CYL W = skimmed plasterboard = taped and jointed / skimmed plasterboard = resistance LOUNGE to damage = Robust details BEDROOM 2 EN-SUITE MASTER BEDROOM 232 Technical Advice Centre Tel:

Product focus Thistle Durafinish Thistle Durafinish is 60% tougher than a standard skim finish plaster. A regular plaster is ideal for some areas.

63 Product focus Thistle Durafinish Thistle Durafinish is 60% tougher than a standard skim finish plaster. A regular plaster is ideal for some areas. But for the more hardworking parts of a home - a hallway, staircase or communal area within apartment developments - you need a finish that can withstand everyday knocks and scrapes, and general wear and tear. Thistle Durafinish is a gypsum finish plaster specially formulated for increased resistance to accidental damage; proven to provide significantly increased performance when compared with a regular plaster. It can be used on plasterboard or undercoat plasters, or for replastering and repair work on previously finished walls. Thistle Durafinish creates an environment conducive to living, working and playing. bgtechnical.enquiries@bpb.com british-gypsum.com 233

64 Supporting your customers 234 Technical Advice Centre Tel:

Rooms made for you What we can do to help you support your customers British Gypsum is continually innovating to support everyday homemaking.

We re working within the residential industry to facilitate differentiation of the homes you build; adding value to your business, and your customers lives.

A wall that doesn t require specialist fixings, is stronger, more durable, more sound-resistant and more user-friendly than standard plasterboard walls will significantly enhance homeowner s living

65 Rooms made for you What we can do to help you support your customers British Gypsum is continually innovating to support everyday homemaking. We have developed a Rooms made for you offer to provide flexibility, easy personalisation of rooms, and the reduction of noise transfer within a home. We re working within the residential industry to facilitate differentiation of the homes you build; adding value to your business, and your customers lives. Designed for life, our Lifestyle Wall helps transform homes in all sorts of ways. A wall that doesn t require specialist fixings, is stronger, more durable, more sound-resistant and more user-friendly than standard plasterboard walls will significantly enhance homeowner s living space. Personalisation made easy Total freedom to fix shelves, curtain poles, picture hooks and TV s in place without the need for specialist fixings or drills. Feel the difference Reassuringly solid and dependably strong, homeowners can actually feel how different they are from standard plasterboard just by touching them. For protection Our Lifestyle Wall offers a superior resistance to everyday wear and tear. The British Gypsum difference The secret of its effectiveness lies in an innovative building board technology that features a dense reinforced core, providing considerably more strength than standard plasterboard. bgtechnical.enquiries@bpb.com british-gypsum.com 235

Rooms made for you (cont d) Designed for sound, the Silent Floor system can help bring harmony back to homes.

night s sleep without any compromise. Enjoying sound Some things just need to be enjoyed nice and loud!

Silent Floor can ensure everyone has the peace they need. Restoring harmony Noise is the most common complaint among families.

66 Rooms made for you (cont d) Designed for sound, the Silent Floor system can help bring harmony back to homes. Delivering substantially enhanced levels of sound insulation, our Silent Floor system enables different members of the family to turn it up loud or enjoy a quiet night s sleep without any compromise. Enjoying sound Some things just need to be enjoyed nice and loud! Have friends round, listen to music, watch films, cheer on the football, play video games or practise instruments; Silent Floor can deliver this, without homeowners worrying about disturbing anyone else. Peace and quiet There are some areas of the home, such as nurseries, studies, bedrooms, and personal libraries, where quietness is especially valued. Silent Floor can ensure everyone has the peace they need. Restoring harmony Noise is the most common complaint among families. Silent Floor provides a substantial improvement over a standard building regulation floor, creating the possibility for homeowners to enjoy their home in more ways than one. The British Gypsum difference The secret of our Silent Floor system lies in the combination of the resiliently mounted ceilings and Gyproc SoundBloc lining. These floors outperform standard floors by up to 15 db - a substantial improvement. 236 Technical Advice Centre Tel:

Rooms made for you (cont d) Designed for creativity, Thistle Magnetic Plaster helps bring walls to life.

For display With our magnetic plaster walls, homeowners can personalise spaces one day then change it around the very next. Decorating and accessorising becomes simplicity itself.

For playing and learning Create a fun activity space or an interactive classroom, kids get both from our magnetic plaster walls.

67 Rooms made for you (cont d) Designed for creativity, Thistle Magnetic Plaster helps bring walls to life. With a plaster that attracts magnets you can turn any wall in any room into an inspiring interactive gallery or notice board that homeowners can change as often as they like: no fuss, no mess. For display With our magnetic plaster walls, homeowners can personalise spaces one day then change it around the very next. Decorating and accessorising becomes simplicity itself. For work An asset to any home office, Thistle Magnetic Plaster lets homeowners organise their thoughts and plans and even display training certificates. For playing and learning Create a fun activity space or an interactive classroom, kids get both from our magnetic plaster walls. They can put up their favourite posters, play educational games or display their latest artwork with ease. For the kitchen Forget the fridge door. Now homeowners can use their kitchen walls for displaying family timetables, recipes, reminder notes, important contact information and, of course takeaway menus! The British Gypsum difference Thistle Magnetic Plaster can be applied at a 3mm thickness to new or existing walls. It can be decorated with standard emulsion plaint or combined with specialist paint finishes, including blackboard and whiteboard. Calling all housebuilders If you are interested in talking to us about our new product range, and how we can help you differentiate your homes from the competition, please get in touch with us. We are looking for partners to help us develop the next generation of products for homeowners; adding value to your business, and your customers lives. For further information, please contact our Technical Advice Centre We re open Monday to Friday, 08:30 to 17:00, and our team will be happy to discuss this further: Tel: bgtechnical.enquiries@bpb.com bgtechnical.enquiries@bpb.com british-gypsum.com 237