Concealed grid ceiling lining system! This section includes updated information, added since it was first published in July 009. Please see the WHITE BOOK update document for details. Last updated 0/07/00 Grosvenor House Hotel, Mayfair, London
ceiling is a general purpose ceiling lining system suitable for most internal applications. It is used in all types of buildings from residential properties to large commercial developments, and is equally suited to both new-build and refurbishment. 6 R w db Airborne 66 L nw db Impact 0 90 mins Key facts General purpose ceiling lining Suitable for concrete soffits or timber joists Stand-off can be adjusted from mm to 7mm GypWall RAPID GypLyner and RAPID UNIVERSAL db Plus A Same components as ceiling and wall linings Ceiling void accommodates small service routings B A Gypframe GL Lining Channel B Gypframe GL / GL6 Timber Connector Gypframe GL Lining Channel + + Gypframe GL / GL9 / GL Bracket Applications Due to the design flexibility of, this system can be tailored to meet the requirements of a wide range of applications. Sector Office / commercial Education Apartment buildings Retail Healthcare High-rise multi-occupancy Sport and leisure Auditoria
L SPECSURE www.british-gypsum.com System components Gypframe metal products GL Lining Channel GL Bracket Maximum 7mm drop. 00, 700mm 000, 600mm 9mm Fixing and finishing products Gyproc Wafer Head Drywall Screws For Gypframe metal-to-metal fixing less than 0.mm thick ( I studs less than 0.6mm thick). Gypframe GL GypLyner Anchors For fixing Gypframe GL, GL9 or GL Brackets to concrete / masonry. GL9 Bracket For maximum mm drop. 9mm Gyproc Drywall Screws For fixing boards to metal framing and brackets to timber supports. GL Bracket For maximum 7mm drop. 9mm Gyproc Sealant Sealing air paths for optimum sound insulation. GL Channel Connector For joining Gypframe GL Lining Channels. Gyproc jointing materials For seamless jointing. GL Timber Connector Maximum mm drop. 70mm Thistle Board Finish or Thistle Multi-Finish To provide a plaster skim finish. GL6 Timber Connector Maximum 0mm drop. 70mm Insulation products GL Track 600mm Isover General Purpose Roll 00mm, to achieve acoustic performance. or Board products Gyproc WallBoard Thickness Width., mm 900, 00mm Isover APR 00 0mm, to achieve acoustic performance. Gyproc SoundBloc Thickness Width., mm 00mm Gyproc FireLine Thickness Width., mm 900, 00mm Gyproc Plank Thickness Width 9mm 600mm Glasroc F MULTIBOARD Thickness Width.mm 00mm Also available in DUPLEX grades where vapour control is required. T E F I I M E S Y S T E M W A R R A N T Y Always use genuine branded British Gypsum components to qualify for SpecSure lifetime warranty 6
T 0 00 99 F 0 6 6 E bgtechnical.enquiries@bpb.com Installation overview - Fixing to a concrete soffit Gypframe GL Track is fixed at the perimeter with the longer leg at the bottom. Gypframe GL, GL9 or GL Brackets are fixed at the required centres. Gypframe GL Lining Channel is located into the perimeter track and each leg of the Gypframe GL, GL9 or GL Bracket is screw-fixed to the Gypframe GL Lining Channel. The protruding legs of each bracket are bent to sit back from the channel face. Gypframe GL Lining Channel sections are joined using Gypframe GL Channel Connectors. Additional channel or supplementary framing is installed if required to support fixtures. Boards are fixed to the Gypframe GL Lining Channels to form one or two layer linings as specified. Installation overview - Fixing to timber joists Gypframe GL or GL6 Timber Connectors are fixed to the side of joists using Gyproc Drywall Screws. The connectors must be aligned accurately since they can not be adjusted once Gypframe GL Lining Channel is engaged into a row of timber connectors and twisted into position. The channels are located into Gypframe GL Track at the perimeter. Gypframe GL Lining Channel sections are joined using Gypframe GL Channel Connectors. Additional channel or supplementary framing is installed if required to support fixtures. Boards are fixed to the Gypframe GL Lining Channels to form one or two layer linings as specified. Installation overview - Fixing to an existing ceiling If the existing ceiling is to be retained, Gypframe GL6 Timber Alternatively, fix Gypframe GL, GL9 or GL Brackets to joists Connectors can be bent to form a right-angle and fixed to joists through the retained ceiling with suitable fixings. Gypframe GL through the retained ceiling with suitable fixings. Each connector is Lining Channels are fixed to brackets following the method described bent at a position between the third and fourth holes along to give a in Fixing to a concrete soffit. 0mm horizontal leg. Gypframe GL Lining Channels are located and boards fixed through to form the new ceiling. For full installation details, refer to the British Gypsum SITE BOOK, available to download from www.british-gypsum.com For full installation details, refer to the British Gypsum SITE BOOK, available to download from www.british-gypsum.com 7
www.british-gypsum.com Performance ( EN mm t&g flooring over mm x 9mm (minimum) timber joists at 600mm (maximum) centres. ceiling fixed to underside of joists with Gypframe GL Lining Channels at 0mm maximum centres. 00mm Isover General Purpose Roll in the cavity. Ceiling linings as in table. 00% loadbearing ratio. Refer to section - Basic principles of system design) Table fixing to new or existing solid timber joist floors Solutions to satisfy the requirements of EN 6-: 000 L I F E T I M E SPECSURE S Y S T E M W A R R A N T Y Detail Board Lining Sound insulation System type thickness Airborne Impact reference R w L nw mm db db 60 minutes fire resistance EN SoundBloc x 6 C0600 Plank + FireLine 9 +. 6 C060 NB The fire resistance and sound insulation performances 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. NB If preferred, the existing ceiling can be retained. The new ceiling is installed with Gypframe GL6 Timber Connectors or Gypframe GL, GL9 or GL Brackets, fixed through the existing ceiling into the joists. N work section K0 - Plasterboard drylinings / partitions / ceilings; K - Rigid sheet flooring / sheathing / sarking / decking / linings / castings; K0 - Timberboard floorings / sarking / linings / castings
T 0 00 99 F 0 6 6 E bgtechnical.enquiries@bpb.com Table upgrading existing solid timber joist floors - ceiling retained Solutions to satisfy the requirements of 76: Part : 97 L I F E T I M E SPECSURE S Y S T E M W A R R A N T Y mm flooring grade chipboard and existing ceiling of 9.mm Gyproc WallBoard. ceiling suspended with Gypframe GL Lining Channels at 0mm maximum centres to give a minimum cavity of 0mm to a maximum of mm. 0mm Isover APR 00 in the cavity. Ceiling linings as in table. 00% loadbearing ratio. mm flooring grade chipboard and ceiling of Gyproc Plank and.mm Gyproc WallBoard to simulate a wood lath and plaster ceiling. ceiling suspended with Gypframe GL Lining Channels at 0mm maximum centres to give a minimum cavity of 0mm to a maximum of mm. 0mm Isover APR 00 in the cavity. Ceiling linings as in table. 00% loadbearing ratio. Detail Board Lining Joist Joist Sound insulation System type thickness centres size Airborne Impact reference R w L nw mm mm mm db db 0 minutes fire resistance SoundBloc x. 0 00 x 0 7 6 C00 FireLine x. 0 9 x 6 C00 60 minutes fire resistance FireLine x. 0 9 x 6 6 C00 FireLine x. 0 9 x 9 9 C006 Gypframe GL6 Timber Connectors are bent at a position between the third and fourth holes along (forming a 0mm horizontal leg) to form a right angle, and fixed through the existing ceiling with suitable fixings. Alternatively, use Gypframe GL, GL9 or GL Brackets. Existing lath and plaster ceiling (up to 0mm thick) should be supported by chicken wire, securely fixed to the joists. NB The fire resistance and sound insulation performances 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. N work section K0 - Plasterboard drylinings / partitions / ceilings; K - Rigid sheet flooring / sheathing / sarking / decking / linings / castings; K0 - Timberboard floorings / sarking / linings / castings 9
www.british-gypsum.com Performance ( Refer to section - Basic principles of system design) Table upgrading existing solid timber joist floors - ceiling replaced Solutions to satisfy the requirements of 76: Part : 97 L I F E T I M E SPECSURE S Y S T E M W A R R A N T Y Existing floor retained. Existing wood lath and plaster ceiling removed. ceiling suspended with Gypframe GL Lining Channels at 0mm maximum centres. 00mm Isover General Purpose Roll in the cavity. Ceiling linings as in table. 00% loadbearing ratio. Existing floor retained. ceiling suspended with Gypframe GL Lining Channels at 0mm maximum centres. Ceiling linings as in table. 00% loadbearing ratio. Detail Board Lining Joist Joist Sound insulation System type thickness centres size Airborne Impact reference R w L nw mm mm mm db db 0 minutes fire resistance SoundBloc x. 0 00 x 0 6 C00 60 minutes fire resistance FireLine x. 0 9 x 66 C007 Plank + WallBoard 9 +. 600 9 x 66 C0600 Glasroc F MULTIBOARD x. 600 00 x G0600 90 minutes fire resistance Glasroc F MULTIBOARD x. 600 00 x 0 G060 NB The fire resistance and sound insulation performances 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. N work section K0 - Plasterboard drylinings / partitions / ceilings; K - Rigid sheet flooring / sheathing / sarking / decking / linings / castings; K0 - Timberboard floorings / sarking / linings / castings 0
T 0 00 99 F 0 6 6 E bgtechnical.enquiries@bpb.com Table upgrading existing solid timber joist floors Solutions to satisfy the requirements of 76: Part : 97 L I F E T I M E SPECSURE S Y S T E M W A R R A N T Y GypFloor SILENT comprising of mm softwood floor boarding with Gyproc Plank on Gypframe SIF Floor Channels. ceiling suspended with Gypframe GL Lining Channels at 0mm maximum centres. 00mm Isover General Purpose Roll in the cavity. Ceiling linings as in table. 00% loadbearing ratio. Detail Board Lining Joist Joist Sound insulation System type thickness centres size Airborne Impact reference R w (R w + Ctr) L nw mm mm mm db db 60 minutes fire resistance Plank + SoundBloc 9 +. 0 00 x 0 6 (0) C00 NB The fire resistance and sound insulation performances 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. N work section K0 - Plasterboard drylinings / partitions / ceilings; K - Rigid sheet flooring / sheathing / sarking / decking / linings / castings; K0 - Timberboard floorings / sarking / linings / castings
www.british-gypsum.com Design Planning - key factors The depth of the ceiling cavity is determined by the positioning of the fixing brackets. For concrete soffits the fixing brackets allow sufficient adjustment for levelling the ceiling. When using Gypframe GL Brackets, allow for a stand-off of mm 7mm plus the lining thickness. When using Gypframe GL9 Brackets, allow for a stand-off of mm mm plus the lining thickness. When using Gypframe GL Brackets, allow for a stand-off of mm 7mm plus the lining thickness. When fixing to timber joists using Gypframe GL or GL6 Timber Connectors, allow for a maximum cavity depth of mm and 0mm respectively, measured from the bottom of the joists to the underside of the lining. Cavity barriers Where cavity barriers are required these can be formed using Gyproc FireLine or Glasroc F MULTIBOARD screw-fixed to a simple metal frame. The framing should be fixed to the structure to avoid undue loading of the ceiling suspension system. Refer to section 0 Cavity fire barriers. Fixing to the structure When lining concrete soffits, fixing brackets should be positioned equidistant at up to 00mm maximum centres. Gypframe GL GypLyner Anchors are suitable for fixing brackets to solid concrete or masonry backgrounds. When fixing to hollow backgrounds proprietary fixings will be necessary. When lining timber joists, Gypframe GL or GL6 Timber Connectors should be fixed to the joists to support the channels at maximum 00mm centres for single layer boarding, and maximum 600mm centres for double layer boarding. Services The cavity above the metal framework facilitates the incorporation of services. Pipes and conduits should be fixed in position before installing the framing. Where light fittings, access panels and similar components are incorporated as part of the design requirements, consideration must be given to maintaining the integrity of the ceiling to meet fire resistance and sound insulation requirements. Refer to section. Service installations. Fixtures Fixtures with a maximum weight of kg, e.g. single lights, can be fixed into the channels. For other fixtures, independent suspension should be provided from the structure. Board finishing Refer to section Finishing systems and decorative effects. Please refer to section - Basic principles of system design for general guidance
T 0 00 99 F 0 6 6 E bgtechnical.enquiries@bpb.com Construction details Perimeter parallel to Gypframe GL Lining Channel for concrete soffit Perimeter perpendicular to Gypframe GL Lining Channel for concrete soffit Reflected ceiling plan for concrete soffit - single layer mm Gyproc plasterboard with channels at 600mm maximum centres (or.mm Gyproc plasterboard with channels at 0mm maximum centres) Gyproc plasterboard Gypframe GL Lining Channel Gypframe GL, GL9 or GL Bracket Gypframe GL Track Concrete soffit
www.british-gypsum.com Construction details Perimeter parallel to Gypframe GL Lining Channel for timber joist floor Perimeter perpendicular to Gypframe GL Lining Channel for timber joist floor 6 Reflected ceiling plan for timber joist floor - single layer.mm Gyproc plasterboard with channels at 0mm maximum centres (or mm Gyproc plasterboard with channels at 600mm maximum centres) Gyproc plasterboard Gypframe GL Lining Channel Gypframe GL or GL6 Timber Connector Gypframe GL Track Timber joist floor NB Gypframe GL or GL6 Timber Connectors not shown on Construction detail 6.
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