VISQUEEN'S GAS SYSTEM THE COMPLETE SOLUTION PROTECTION GAS. CI/SfB (21.9) (L34) April 2018 v. 2 VISQUEEN'S GAS PROTECTION SYSTEM THE COMPLETE SOLUTION

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1 GAS PROTECTION VISQUEEN'S GAS PROTECTION SYSTEM THE COMPLETE SOLUTION CI/SfB (21.9) (L34) April 2018 v. 2 VISQUEEN'S GAS PROTECTION SYSTEM THE COMPLETE SOLUTION 1

2 Contents Welcome to Visqueen 3 Evolving Guidance and Codes of Practice 4 & 5 Gas Membrane Compliance Criteria 6 CIRIA C748 9 Challenge Chemicals 7 New ULTIMATE Gas Membranes 8 Visqueen Gas Product Selector 9 A New Generation of Gas Membranes Performance 10 & 11 Ultimate HC BLOK 12 Ultimate CH4 BLOK 13 Ultimate GeoSeal 14 Ultimate VOC BLOK 15 Gas Barrier 16 LPGM Radon Barrier 18 Comprehensive System Components 19 Complete Nationwide Service 20 Appendix A 21 Complete Range, Complete Solution 22 CPD Seminars 23 Think Visqueen Gas Protection Systems 2 EXPERT TECHNICAL SERVICE:

3 Welcome to Visqueen VISQUEEN'S GAS PROTECTION SYSTEM THE COMPLETE SOLUTION Visqueen is the market leader in the manufacture and supply of structural waterproofing and gas protection systems. Visqueen offers complete support at every stage in the specification and supply chain process. We offer a comprehensive range of advanced products, a dedicated technical support team of specialists offering specification and design advice and a best in class level of customer service. With a team of highly trained and experienced technical experts offering the highest level of support to our customers, including, architects and specifiers, contractors and merchants - all of our technical team have been awarded the CSSW award (certificated surveyor of structural waterproofing), a nationally recognised professional confidence and encouraging professional development. Our market leading expert team are equipped to offer the best specification and design solution for gas and waterproofing using Visqueen s extensive product range. Working to only the highest standards and through innovation and excellence as key values, Visqueen remains the industry leader and is trusted as the technical authority for product standards. Visqueen is one of the largest European producer of high performance construction materials used in Gas Protection, Structural Waterproofing, Damp Proofing, Stormwater and floor protection systems. 3

4 Evolving Guidance and Codes of Practice Timeline Building on Contaminated Land CIRIA C665 BS8485 Code of practice for the characterization and remediation from ground gas in affected developments NHBC Guidance on evaluation of development proposals on sites where Visqueen introduces CIRIA C716 Remediating and mitigating risks from volatile organic compound (VOC) vapours from land Visqueen introduces BS8485 Code of practice for the design of protective measures for Visqueen introduces GAS BARR IER LOW PERMEABLITY GAS MEMBRANE PRE APPLIED MEMBRANE GAS BARRIER ADVANCED CIRIA C682 Investigating, assessing and managing risks from inhalation of VOCs at land Visqueen introduces CIRIA C748 Guidance on the use Visqueen introduces NHBC Technical Extra issue 20 Visqueen introduces GX GEOMEMBRANE SYSTEM LIQUID GAS MEMBRANE GAS MEMBRANES For more details, please see Appendix A on page 21 4 EXPERT TECHNICAL SERVICE:

5 Background the dangers The most widely known UK tragedies where ground gas produced explosive or asphyxiating conditions occurred at 2 (2012) 3 after occupants complained of dizziness and sickness 1 Building on contaminated land A guidance history to prevent/manage risks. There was much disagreement guidance, codes of practices and regulations surrounding the These guidelines have evolved to cover a complex area of design and prevention against various chemicals and gases emanating from the ground. Key points petrol stations; they leave historic contaminants such as previously used for industrial uses. For the past 20 years governments have repeatedly Sites located in mining locations Land previously used for industry or adjacent industry Local Planning/Environment authority will require an ground gases Buildings insurance providers will require confirmation of any planning condition relating to soil ground gas investigations continues today as the current government encourage 4 to manage population growth and a housing shortage. This strategy also decreases Background The hazards of ground gases and volatile organic compounds 7 6 less dense than cold outdoor air). Ground gases can enter Potential ground gas entry points Construction joints 3 5. Gaps around service pipes Soil and vent pipes 5

6 Gas Membrane Compliance Criteria Building on contaminated land Visqueen has created a test check list for each application to ensure compliance to the latest regulations. The tests are a minimum requirement and allow the designer and user TABLE 2 - Test Criteria applications. How to use the table below TABLE 1 - Site Conditions Check your site contaminants (methane, VOC etc) and identify what system test requirements are needed. Now Acronym key CO 2 CH 4 - Methane VOC - Volatile Organic Compounds SITE CONDITIONS System Test Requirements CO 2 & CH 4 (BS8485 CS2-4)* VOC Vapours (C748) VOC Immersions (C748) TABLE 1 Methane Permeability Membrane Physicals VOC Vapours VOC Immersions TEST CRITERIA Methane Permeability Description Test Method Units Criteria ISO ml/m 2 /d/atm <40 TABLE 2 Membrane Physicals Description Test Method Units Criteria Mass g/m 2 >370 Puncture CBR N Impact resistance Method A hard surface mm >750 example Tensile kn/m Elongation % Tear resistance - trouser method A BS ISO 34-1 kn/m Tear resistance - angle method B BS ISO 34-1 N VOC Vapours Description Test Method Units Criteria 9 Challenge chemicals ISO mg/m 2 /d VOC Immersion Description Test Method Units Criteria* 9 Challenge chemicals EN14414 Pass/Fail <25% of fresh result *Mass,Tensiles and elongation <25% fresh tested sample 6 EXPERT TECHNICAL SERVICE:

7 CIRIA C748 give us the 9 Challenge Chemicals relevant standards and codes of practice for protecting chemicals. The documents intend to harmonise test methods and result units for the industry and to mirror the application These 9 chemicals are the most typical and aggressive solids and gases. Visqueen has conducted VOC vapour and chemical resistance testing (including conducting application cocktail testing) to toluene passed the stringent methane 40ml/m 2 /day/atm physical property requirements. m,p xylene hexane vinyl chloride tetrachloroethene (PCE) trichloroethene (TCE) naphthalene produce the test data and NOT offer modelled data which could compromise 7

8 NEW Advanced Barrier Technology Introducing a new superior gas barrier Superior physical and chemical resistant properties Easy & rapid welding ADVANCED BARRIER TECHNOLOGY Good environmental stress crack resistance hazardous ground gases and VOCs. Ultimate Gas Membranes Providing solutions to all contaminated land applications Visqueen Ultimate GeoSeal is a high performance pre- Compounds (VOCs) and ground gases. An all in one solution Visqueen Ultimate VOC BLOK is an exceptional puncture to comply with current guidance on Volatile Organic Compounds (VOCs in liquid and vapour form) and ground gases. Visqueen Ultimate HC BLOK Visqueen Ultimate CH4 BLOK guidance on Volatile Organic Compounds (VOCs) vapours and ground gases. 8 EXPERT TECHNICAL SERVICE:

9 Visqueen Gas Product Selector Ensure you are working with the correct product for the application for protection against dangerous gases and chemicals in compliance with the latest regulations and standards. Also available on the website: Standard details BIM and NBS COMPLIANCE DOCUMENT BRE211 NHBC Amber 1 BS8485/Amber 2 C748 C748 BS8102 Radon CO 2 /CH 4 CO 2 /CH 4 VOC Vapours VOC Immersions Waterproof Ultimate GeoSeal Ultimate VOC BLOK Ultimate HC BLOK Ultimate CH4 BLOK Gas Barrier LPGM500 Radon Barrier The highlights of the NEW Ultimate Gas Membrane range are: Comprehensively tested and validated test results Comprehensive range for all vapour and VOC immersion applications at low temperatures VOC BLOK does not require protection Outstanding welding characteristics PLEASE NOTE 9

10 A New Generation of Gas Membranes Performance A comparison guide to performance characteristics. Physical testing such as puncture, impact Ultimate range was proven to have the highest physical enough it could easily tear or puncture during installation Impact resistance method A (mm) Puncture (N) Tear resistance trouser method A (kn/m) Tear resistance angle method B (kn/m) Elongation (%) Product A Typical Reinforced Aluminium Product B Co-extruded VOC Barrier Product C Polyethylene Gas/VOC Barrier Ultimate HC BLOK Visqueen Barrier Technology Ultimate VOC BLOK Visqueen Barrier Technology Best Performance EN12691 BS EN ISO 12236:2006 BS ISO 34-1 BS ISO 34-1 EN * * 200* 1400* 55* Ultimate VOC BLOK Ultimate VOC BLOK Ultimate VOC BLOK Ultimate VOC BLOK Ultimate HC BLOK Comparative permeability testing to ISO mg/m 2 /d Benzene Toluene Ethyl Benzene Xylene Ultimate HC BLOK 70 Product B Product C EXPERT TECHNICAL SERVICE:

11 Tested and Compared VISQUEEN'S GAS PROTECTION SYSTEM THE COMPLETE SOLUTION Impact resistance method A (mm) Product A Product B Product C Ultimate HC BLOK Ultimate VOC BLOK 750mm minimum requirement Ultimate VOC BLOK Puncture (N) Tear resistance trouser method A (kn/m) Product A Product B Product C Ultimate HC BLOK Ultimate VOC BLOK Product A Product B Product C Ultimate HC BLOK Ultimate VOC BLOK not damaged on-site. Tear resistance angle method B (kn/m) of installation. Elongation (%) Product A Product B Product C Ultimate HC BLOK Ultimate VOC BLOK Product A Product B Product C Ultimate HC BLOK Ultimate VOC BLOK Visqueen Ultimate VOC BLOK is class leading with exceptional test results for tear resistance. 11

12 Ultimate HC BLOK ADVANCED BARRIER TECHNOLOGY Conforms to CIRIA C748 and BS8485:2015 Excellent VOC (vapour) & methane barrier resistance Outstanding welding characteristics, saving time and costs guidance on Volatile Organic Compounds (VOCs) vapours and ground gases. APPLICATION COVERAGE CBR PUNCTURE 1640N VOC VAPOUR USE WITH: WEIGHT CHEMICAL IMMERSION GOLD COLOUR Visqueen GR Lap Tape 150mm x 10m TECHNICAL DETAILS AVAILABLE ON THE WEBSITE Comprehensive datasheets including performance data Storage and Handling Standard details PLEASE NOTE does not use modelled data or use aluminium (thin foils are Colour Weight Dimension Code Gold/White 49kg 2.44m x 41m x 0.5mm Characteristic Test method Unit Criteria Result BS8485:2015 Methane testing Methane ISO ml/m2 /d/ atm <40 Pass C748 - Permeation vapour tests - 100% concentration 9 challenge chemicals as listed on page 7 ISO ml/m 2 /d <1 To view all our comprehensive test data please visit our Think Visqueen Gas Protection Systems 12 EXPERT TECHNICAL SERVICE:

13 ADVANCED BARRIER TECHNOLOGY VISQUEEN'S GAS PROTECTION SYSTEM THE COMPLETE SOLUTION Ultimate CH4 BLOK Conforms in full to BS8485:2015 Excellent methane and puncture resistance Utilises Visqueen's advanced barrier technology A non aluminium reinforced gas membrane APPLICATION COVERAGE CBR PUNCTURE 1200N METHANE GAS part C USE WITH: Visqueen GR Foil Tape 75mm x 50m TECHNICAL DETAILS Colour Weight Dimension Code Gold/White 49kg 2.44m x 41m x 0.4mm Characteristic Test method Unit Criteria Result BS8485:2015 Methane testing Methane ISO ml/m2 /d/ atm <40 Pass C748 - Permeation vapour tests - 100% concentration WEIGHT FIBER REINFORCED GOLD COLOUR AVAILABLE ON THE WEBSITE Comprehensive datasheets including performance data Storage and Handling Standard details PLEASE NOTE does not use modelled data or use aluminium (thin foils are 9 challenge chemicals as listed on page 7 ISO ml/m 2 /d <1 To view all our comprehensive test data please visit our Think Visqueen Gas Protection Systems 13

14 Ultimate GeoSeal ADVANCED BARRIER TECHNOLOGY The all in one solution for any site requirements Conforms in full to BS8102:2009, CIRIA C748 and BS8485:2015 Unique pre-applied and gas resistant membrane Excellent VOC & methane barrier resistance Exceptional puncture resistance - No protection required Volatile Organic Compounds (VOCs) and ground gases. The product is textured on one side to aid adhesion to jointing and quick installation times. APPLICATION COVERAGE CBR PUNCTURE 1640N VOC VAPOUR WEIGHT CHEMICAL IMMERSION BLACK GREY COLOUR USE WITH: Visqueen GR Lap Tape 150mm x 15m Visqueen Retaining discs and nails AVAILABLE ON THE WEBSITE Comprehensive datasheets including performance data Storage and Handling Standard details PLEASE NOTE does not use modelled data or use aluminium (thin foils are Think Visqueen TECHNICAL DETAILS Colour Weight Dimension Code Black/Grey 97kg 2.44m x 41m x 1mm Characteristic Test method Unit Criteria Result BS8485:2015 Methane testing Methane ISO ml/m2 /d/ atm <40 Pass C748 - Permeation vapour tests - 100% concentration 9 challenge chemicals as listed on page 7 ISO ml/m 2 /d Physical To view all our comprehensive test data please visit our Pass Gas Protection Systems 14 EXPERT TECHNICAL SERVICE:

15 ADVANCED BARRIER TECHNOLOGY VISQUEEN'S GAS PROTECTION SYSTEM THE COMPLETE SOLUTION Ultimate VOC BLOK VOCs and Methane Conforms in full to CIRIA C748 and BS8485:2015 Excellent VOC & methane barrier resistance NO protection required Comprehensively tested and validated test results designed to comply with current guidance on Volatile Organic Compounds (VOCs) and ground gases. APPLICATION COVERAGE CBR PUNCTURE 1640N VOC VAPOUR USE WITH: BLACK Visqueen GR Lap Tape 150mm x 15m TECHNICAL DETAILS WEIGHT CHEMICAL IMMERSION GREY COLOUR Colour Weight Dimension Code Black/Grey 97kg 2.44m x 41m x 1mm Characteristic Test method Unit Criteria Result BS8485:2015 Methane testing Methane ISO ml/m2 /d/ atm <40 Pass C748 - Permeation vapour tests - 100% concentration 9 challenge chemicals as listed on page 7 ISO ml/m 2 /d Physical To view all our comprehensive test data please visit our Pass AVAILABLE ON THE WEBSITE Comprehensive datasheets including performance data Storage and Handling Standard details PLEASE NOTE does not use modelled data or use aluminium (thin foils are Think Visqueen Gas Protection Systems 15

16 Gas Barrier A multi-layer reinforced polyethylene BBA approved, fully complies with BS8485:2015 Low permeability to methane, radon and carbon dioxide Approved for use in NHBC Amber 2 applications Multi-layer reinforced LDPE membrane with aluminium core Visqueen Gas Barrier is a 400 gsm multi-layer reinforced APPLICATION COVERAGE CBR PUNCTURE 1114N METHANE GAS BLUE USE WITH: SILVER Visqueen GR Foil Tape 75mm x 50m WEIGHT REINFORCED COLOUR TECHNICAL DETAILS AVAILABLE ON THE WEBSITE Comprehensive datasheets including performance data Storage and Handling Standard details Think Visqueen Colour Weight Dimension Code Blue/Silver 40kg 2m x 50m Characteristic Test method Unit Criteria Result BS8485:2015 Methane testing Methane Puncture CBR Impact resistance ISO BS EN ISO ml/m2 /d/ atm <40 Pass N 1114 mm 1000 To view all our comprehensive test data please visit our Gas Protection Systems 16 EXPERT TECHNICAL SERVICE:

17 LPGM500 Low permeability to carbon dioxide, radon and low levels of methane Approved for use in NHBC Amber 1 application BBA Certificate 13/5069 and CE Mark in accordance with the relevant codes of practice and is limit creases which aids jointing and welding applications on in structural concrete screeds where traditional multi-folded the Visqueen Gas Product Selector on Page 9 to select the correct product. APPLICATION 298N USE WITH: COVERAGE JOINT STRENGTH RADON GAS Visqueen GR Foil Tape 75mm x 50m TECHNICAL DETAILS YELLOW Colour Weight Dimension Code Yellow 23kg 4m x 12.5m x 0.5mm Characteristic Test method Unit Criteria Result Radon Radon Transmittance Methane SP Test Method SP Test Method m/s m/s/pa m/s/pa To view all our comprehensive test data please visit our x x x WEIGHT THICKNESS COLOUR AVAILABLE ON THE WEBSITE Comprehensive datasheets including performance data Storage and Handling Standard details Think Visqueen Gas Protection Systems 17

18 Radon Barrier Independently tested for radon resistance BBA Certified High resistance to puncture Also acts as a Damp Proof Membrane Complies with BR 211: 2015 where there is the risk of hydrostatic pressure. Report BR 211. It is installed in a similar way to a damp workmanship and detailing in order to achieve effective sealing at all locations. APPLICATION 144N COVERAGE JOINT STRENGTH THICKNESS USE WITH: Visqueen Pro Single Sided Tape 75mm x 25m RED WEIGHT RADON GAS COLOUR AVAILABLE ON THE WEBSITE Comprehensive datasheets including performance data Storage and Handling Standard details TECHNICAL DETAILS Colour Weight Dimension Code Red 4m x 25m x 0.3mm Characteristic Test method Unit Criteria Result Radon Radon Transmittance SP Test Method SP Test Method m/s To view all our comprehensive test data please visit our x x Think Visqueen Gas Protection Systems 18 EXPERT TECHNICAL SERVICE:

19 Visqueen s Comprehensive System Components Range To provide continuity of protection in gas applications, Visqueen s comprehensive range of system Membrane jointing Visqueen Ultimate tape system The gas resistant system consists Visqueen Overlap tape. The new overlap tape has unique properties that allow extreme conditions (-20 o C to 40 o C) even on surface moisture. Visqueen Ultimate Preformed Units (PFUs) code of practice for the use of masonry, simplify detailing at columns, corners, windposts, change of levels etc. The when dealing at these complex areas. Welding and Pre-welding outstanding welding (using hot air or extrusion type) characteristics, projects demand a higher degree of integrity, Visqueen can prepare pre- Visqueen Ultimate Damp Proof Course (DPC) and cavity trays through any wall or point load as they could cause a slip plane. Visqueen loading classes as well as not complying Visqueen Ultimate Top Hats around all service entry points. Visqueen Ultimate Top Hat Units are using the Ultimate Top Hat and Ultimate jointing system. 19

20 Complete Nationwide Support Service Plus, as installation requirements, site conditions and legislation all evolve so innovation and continuing product development. VISQUEEN. NO ONE OFFERS YOU MORE. Continued product innovation programmes working with leading technical authorities products and services meet the demands of the ever changing construction regulations and compliance. These products offer product market place. 20 EXPERT TECHNICAL SERVICE:

21 Appendix A Evolving Guidance and Codes of Practice Timeline 2007 NHBC Guidance on evaluation of development proposals on sites where methane and carbon dioxide are present The National House Building Council (NHBC) guidance 2012 CIRIA C716 Remediating and mitigating risks from volatile organic compound (VOC) vapours from land affected by contamination management of VOC vapours, primarily relating to inhalation and 2, red) for gas characteristic situations. CIRIA C665 Assessing risks posed by hazardous ground gases to buildings 2014 CIRIA C748 Guidance on the use of plastic membranes as VOC vapour barriers The new document is the most up to date and commonly consolidates good practice in investigation, the collection to introduce a source-pathway-receptor model. To date all good Site Investigation (SI) reports follow the methods stated in this document. BS8485 Code of practice for the design of protective measures for methane and carbon dioxide ground gases for new buildings Until its revision in 2015 this was the principal guidance used physical performance in order to withstand the installation vapour and chemical resistance testing. Testing and result units are also harmonised to give clarity to the industry when 2015 BS8485 Code of practice for the design of protective measures for methane and carbon dioxide ground gases for new buildings Site categorisation and investigation characteristic gas situation hazard potential from very low (1) to very high (7) with the gas protection system solution having ascertained the characteristic gas situation. Protection element/system rating each protection element is allocated an appropriate point system such as a 2009 CIRIA C682 The VOCs Handbook. Investigating, assessing and managing risks from inhalation of VOCs at land affected by contamination Clearer guidance on the interpretation of gas monitoring data and assignment of gas screening values 2 /d/atm for a Harmonised physical performance standards and declared Review and expanded guidance on protection measures 2016 NHBC Technical Extra issue 20 it up to date with the latest guidelines and regulations especially <100m2 footprint and minimum 150mm depth clear ventilated with a focus on VOCs. per day. If falling outside these parameters you are to default to References 21

22 STRUCTURAL WATERPROOFING DAMP PROOF COURSES GAS PROTECTION AND VENTING SYSTEMS SELF ADHESIVE DAMP PROOF MEMBRANE CPT DAMP PROOF COURSE excellent VOC & methane resistance BBA accredited; made from CPT and excellent VOC & methane resistance GR SAM AXIOM SHIELD LAC HIGH BOND Superior performance in low loading VOC BLOK designed to prevent the transmission of gas in tanking applications. temperatures. TORCHON TANKING MEMBRANE heavy duty tanking applications. PRE APPLIED MEMBRANE to aid adhesion to cast concrete. PROTECT & Acts as a heavy duty draining AXIOM GUARD AXIOM UNISEAL HOUSING GRADE DPC applications; contains no pitch or POLYETHYLENE DPC GX DPC Excellent VOC (vapour) & methane outstanding welding characteristic. as methane. HC BLOK LIQUID GAS MEMBRANE CAVITY DRAIN MEMBRANE SYSTEM Effective mechanical drainage structures. AXIOM GUARD PRIMER AXIOM CRETESEAL sites. GR DPC Integral aluminium foil provides resistance against gas ingress in the cavity. GAS BAR RIER LOW PERMEABLITY GAS MEMBRANE of methane approved for use in RADON MEMBRANE higher radon resistance accredited Complete Range Complete Solution GAS VENTING SYSTEM Visqueen gas venting and draining systems TORCHON TANKING MEMBRANE heavy duty tanking applications. Visqueen is one of the largest European producers of high performance construction materials used in Damp Proofing, Stormwater, Structural Waterproofing, Gas Protection and floor protection systems. We offer detailed technical literature, interactive website, design software NBS specifications and building information modelling (BIM), all designed to support the designer and contractor at every stage. With CPD accredited training seminars on site, at practice or at our training academy, we can help you from planning a development through to on-site support, making sure everyone s needs are met. 22 EXPERT TECHNICAL SERVICE:

23 DAMP PROOF MEMBRANES VAPOUR CONTROL LAYERS STORMWATER PROTECTION SPECIAL PROJECTS ECOMEMBRANE DPM TO PIFA STANDARD A loose laid vapour control layer condition. VAPOUR CHECK VAPOUR BARRIER URBAN DRAINAGE GEOMEMBRANE A comprehensive system for use with stormwater management attenuation systems. HIGH PERFORMANCE UDG A comprehensive system for use with stormwater management attenuation Visqueen Special Projects is a specialist service to ensure that new stringent standards and regulations commercial and domestic applications. HIGH PERFORMANCE DPM conditions. HP VAPOUR BARRIER BS5250 Classes 4 and 5 conditions. ULTIMATE UDG A comprehensive system for use with stormwater management attenuation systems on contaminated land. FB VAPOUR BARRIER vapour control layer. CPD Seminars and Training Academy Gas Protection CPD design, and installation of gas seminars are designed to provide current information on within the construction sector. We understand the importance of adhering to all the latest regulations and that is why to ensure that they comply with industry standards. With everything you and your employees need to know to stay ahead of the game. design, and installation of systems for protection against water and damp form or call us on Current regulations & guidance Protective measures Installation techniques On site technical support services Visqueen Training Academy exclusive in depth training opportunities on a wide variety of Visqueen products at our Training Academy. 23

24 @visqueenbp Visqueen Construction ADVANCED BARRIER TECHNOLOGY general nature and are not intended to apply to any use or application outside any referred to in this literature. As conditions of usage 24 EXPERT TECHNICAL SERVICE: