GCP Bituthene 8000 Gas Barrier  

Methane Radon Barrier

Bituthene 8000 combines the proven Bi-tuthene adhesvive technology with a unique, grey coloured film barrier to provide superior performance and easier installation. It can be used horizontally or vertically to protect basements and other critical sub-structures from the affects of water, damp and gas penetraction. Gas Resisitant. Bituthene 8000 Data Sheet

Fosroc Proofex 3000 MR    

Methane & Radon Barrier

A high performance self adhesive membrane for resisting methane, radon and CO2, and preventing water entering buildings. Proofex 3000MR also provides a vapour and water- proof membrane to water excluding structures and protects concrete from attack by aggressive ground salts.

Proofex 3000 MR Data Sheet

       RIW Sheetseal GR       

Methane & Radon Barrier

RIW Sheetseal GR is a radon gas barrier and one of the most effective gas methane barrier systems available. It is a cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen/rubber self adhesive layer .Effective barrier to Methane gas, Water and water vapour barrier , Factory controlled thickness , Quick and easy to install,  Elastic & flexible , Self healing properties , No drying time , Sulphate resistant . RIW Sheetseal GR Data Sheet

Visqueen GR Membrane

Methane & Radon Barrier

Visqueen Gas Resistant Self Adhesive Membrane is designed to prevent the transmission of carbon dioxide, radon and methane gases in tanking applications or where hydrostatic pressure is present . Visqueen GR Data Sheet

Preprufe 800PA   

Radon & Methane Gas Protection

Preprufe® 800PA is a cold-applied, self-adhesive waterproofing membrane, composed of a reinforced crosslaminated HDPE film, and a synthetic non-bituminous adhesive.

New and remedial waterproofing for:    Basement walls of all basement grades to BS 8102: 2009   ,  Below-ground car parks ,  Underground RC reservoirs and tanks ,  Industrial plants , Radon and methane gas protection ,  Protection from water, damp and gas of critical substructures. Preprufe 800PA Data Sheet

Proofex Total Membrane   

Reinforced gas membrane

Proofex Total is a high performance, totally gas-impervious, reinforced membrane. It also acts like conventional ground membranes, as a damp-proof membrane.

The 5-layer, reinforced, gas impermeable black/silver membrane comprises an aluminium foil layer and a polyester reinforcing grid sandwiched between three layers of polyolefins.  Advantages  :  5-layer product design for maximum gas protection Proofex Total Data Sheet

Preprufe 300R Plus /Preprufe 160R Plus  

Preprufe 300R Plus & 160R Plus membranes are applied either horizontally to smooth prepared concrete, carton forms or well rolled and compacted earth or crushed stone substrate; or vertically to permanent formwork or adjoining structures. Concrete is then cast directly against the adhesive side of the membranes. The specially developed Preprufe adhesive layers work together to form a continuous and integral seal to the structure.

Proofex Engage Membrane   

Pre-applied waterproofing membrane which mechanically bonds to poured concrete, remaining in place if settlement of substrate occurs. USES : A unique patented waterproofing membrane for a range of waterproofing applications in- cluding basements and substructures. Proofex Engage provides a water, water vapour and gas protection to water excluding structures and protects concrete from aggressive ground salts and chemicals.

Proofex Engage Data Sheet

Visqueen Radon R400 Membrane

  DPM  & Radon Barrier

 Visqueen Radon R400 is used to prevent the ingress of radon in both basic and full radon protection areas. The membrane can be positioned within the ground floor construction either above or below the structural floor. Visqueen Radon R400 is a 0.4mm thick co-polymer thermoplastic membrane. The product is red in colour and supplied 4m x 20m in a multi-folded roll.

Visqueen Radon R400 Data Sheet

Visqueen Low Permeability Gas Membrane  

Visqueen Low Permeability Gas membrane ( LPGM) offers a safe solution for the protection of buildings against radon , carbon dioxide and low levels of methane gas when installed in accordance with the relevant codes of practise. Visqueen Low Permeability Gas Membrane is a robust co-polymer thermoplastic membrane approved for use in NHBC Amber 1  applications.

Visqueen LPGM Data Sheet

Powerbase Low Permeability Gas Membrane  

Powerbase Low Permeability Gas membrane (LPGM) is an extruded barrier membrane for radon protection and for low levels of methane and CO2 where basic protection measures are required.

Powerbase LPGM Data Sheet

RIW Liquid GM Methane Barrier   

Liquid GM is a single component water based compound, formulated on styrene-butadiene co-polymer. Liquid GM is an elastomeric rubber like coating, which cures to form a tough, flexible material; acting as an effective barrier to the passage of Methane, Carbon Dioxide, Radon and other harmful gases. Liquid GM is a specially designed gas protection membrane, developed to provide high performance gas proofing and a barrier to water and water vapour.

APPLICATIONS :  Suppression of methane, carbon dioxide and high density hydrocarbon vapour , Ground floors , Basements and substructures , Retaining walls . RIW Liquid GM Data Sheet

Visqueen Ultimate Liquid Gas Membrane   

Visqueen Ultimate Liquid Gas Membrane is a grey , one part elastomeric polymer modified liquid that dries to form a black , flexible membrane. The product is supplied in a 20 litre container . It has low permeability to methane , radon and carbon dioxide , is ideal for complex detailing applications . It is compatable with Visqueen sheet membrane systems , can be used as both a vertical and horizontal damp proof membrane , and also allows quick installation due to its quick drying properties. Visqueen Ultimate Liquid GM Data Sheet

Visqueen Torchon Tanking Membrane      

Visqueen TorchOn Tanking Membrane is a robust waterproofing membrane, used for heavy duty tanking and gas proofing applications. It can be used both vertically and horizontally above and below ground level to prevent the ingress of water. Visqueen TorchOn Tanking Membrane should be used with Visqueen HP Tanking Primer on touch dry concrete.

Substrates should be primed with Visqueen HP Tanking Primer prior to application. Visqueen TreadGUARD1500 should be used horizontally or for external vertical applications Visqueen Protect&Drain should be used to protect the membrane from backfill or site traffic. Visqueen TorchOn Data Sheet

Hyload 3100 Torch On Membrane      

 IKO Hyload Tanking membrane 3100 is flexible SBS poylmer  torch applied bitumen sheet material.

 The product can be used as a fully bonded damp proof membrane and as Type A barrier membrane protection within a structural waterproofing system designed to be compliant with the guidance of  BS8102: 2009

Hyload 3100HD Data Sheet

Visqueen Ultimate GeoSeal

Hydrocarbon Barrier

Visqueen Ultimate GeoSeal is a flexible membrane designed to comply with current guidance on Volatile Organic Compounds (VOCs) and ground gases. Manufactured using Visqueen’s advanced barrier technology and drawing on our extensive knowledge and expertise in gas protection, Visqueen has developed a new flexible barrier membrane suitable in brownfield applications that are affected by aggressive chemicals such as Benzene, Toluene, Ethyl Benzene and Xylene (BTEX). The product is available in large roll formats to minimise jointing and quick installation times. The membrane is grey and black and 2.44m x 41m x 1mm (100m.), in single wound roll format and packaged in a blue outer wrap. The membrane should be installed grey side up.

Visqueen Ultimate Geoseal Data Sheet

Also available Visqueen Accessories

Alderprufe Ultra VOCM

Hydrocarbon, VOCs, Methane, Radon & CO2 Barrier

Alderprufe Ultra VOCM Gas &  Volatile organic compounds including Hydrocarbons barrier is a multilayer flexible polyethylene membrane with a unique core component, specifically designed to provide protection against methane , carbon dioxide , radon, VOCs & Hydrocarbons . Alderprufe Ultra VOCM has been designed to withstand the most aggressive enviroments, typically on sites that were formally petrol stations, coalfields , contaminated industrial sites or landfill.

It can be installed above or below a slab , above or below insulation or beneath a screed , and provides an effective barrier for the passage of gases , VOC vapours, liquid water and water vapour from the ground.

Alderprufe Ultra Data Sheet

Powerbase VOC

Hydrocarbon Barrier

Powerbase VOC is a composite membrane comprising protective polymeric  layers on both sides of a chemical resistant hydrocarbon barrier inner core. It has  exceptional and proven resistance to hydrocarbon, volatile organic compounds (VOC's), methane, radon and carbon dioxide. It is designed for use in conventional installations with low level of mechanical constraints and no risk of puncture or abrasion for contaminated land and brownfield site development.

Powerbase VOC Data Sheet 

      Visqueen Gas Barrier  

  Methane/Radon/CO 2

Visqueen Gas Barrier offers a safe solution for the protection of buildings against methane, radon and carbon dioxide, when installed in accordance with the relevant codes of practice. Visqueen Gas Barrier is a multi-layer reinforced polyethylene membrane with an integral aluminium foil. For ease of identification on site Visqueen Gas Barrier is coloured blue on one side and silver on the reverse. 

Visqueen Gas Barrier Data Sheet

Alderprufe GRA Gas Membrane

Loose Laid Gas Barrier

Alderprufe GRA Gas membrane is a loose laid 20 micron pure aluminium foil substrate with a multi-filament polypropylene tensile grid extruded between two layers of polyethylene, with high resistance to ground contaminants.

For use in solid concrete ground floors that are not subject to hydrostatic pressure, to protect buildings against gas penetration from the ground.

Alderprufe GRA Data Sheet

      Powerbase MultiGas 300

  Methane/Radon/CO2

Powerbase Gas Barriers are multi layered reinforced LDPE gas barrier membranes for radon, methane and CO2. They incorporate an aluminium layer that is protected by a seperate coating. High tear and impact resisting, provided in rolls for jointing on site.

Powerbase Gas Barrier Data Sheet

Visqueen Ultimate HC Blok    

Hydrocarbon Barrier

Visqueen Ultimate HC Blok is a highly flexible 0.5mm thick coextruded membrane designed to comply with current guidance on volatile organic compounds ( VOCs) Vapours and ground gases . Manufactured using visqueen's advanced  membrane technology and drawing on our extensive knowledge and expertise in gas protection , Visqueen has developed a new flexible barrier membrane suitable in brownfield applications that are affected by aggressive chemicals .

The product is available in large roll formats to minimise jointing and quick installation times. The membrane is gold and white , 2.44m x 41m x 0.5mm ( 100 sq/mt ) in single wound roll format and packaged in a white outer wrap . The membrane should be installed gold side up.

Visqueen Ultimate HC Blok Data Sheet

Also available Visqueen Ultimate Flexi Hydrocarbon Barrier

Alderprufe HC Geomembrane

Hydrocarbon Resistant Membrane

Alderprufe HC Geomembrane is a high quality single layer HDPE membrane and is suitable for use as a barrier membrane on brownfield sites that require protection from dangerous contaminants such as hydrocarbons and methane, together with excellent damp proofing characteristics.

Alderprufe HC Geomembrane has a proven track record as a barrier membrane on gas contaminated and hydrocarbon contaminated brownfield sites. Alderprufe HC Geomembrane combines strength with flexibility enabling high levels of stress/crack resistance to be achieved together with excellent bi-axial load absorption characteristics.

. Alderprufe HC Data Sheet

Visqueen Gas Resistant DPC     

Visqueen Gas Resistant (GR) Damp Proof Course is a flexible polyethylene DPC with an aluminium foil designed to prevent the transmission of carbon dioxide, radon, methane and low level hydrocarbon vapours. This is in addition to the product’s usage as a damp proof course. Resistance to harmful gases is achieved by an integral aluminium film. Visqueen GR DPC Data Sheet

Aldercourse GRA GAS DPC   

Aldercourse GRA is an aluminium cored damp-proof course, developed in combination with Alderprufe MR50 or GRA to provide a continuous "through the wall to floor" junction. Both products have a low permenance of methane and other gases including radon. Aldercourse Data Sheet