Supreme Building Materials
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Gas Barrier Package


Gas Membranes & DPC



Radon Barrier
Radon is life threatening if allowed to accumulate in buildings. The NRPB estimates that Radon is the second largest cause of lung cancer in the UK after smoking. We can supply Radon membranes that are accredited by BRE and independently tested for Radon resistance. Radon jointing systems are stocked to complement the range along with Top hats, Preformed Units & Radon sumps. Visqueen Radon Membrane is an un-reinforced polyethylene membrane, suitable for protecting buildings from the entry of radon gas and independently accredited by BRE Certification Ltd (Certificate Number 083/01). Visqueen Radon Membrane also acts as a damp-proof membrane, but is not intended for use where there is the risk of hydrostatic pressure.

Co2 Membrane


Gas Barrier
Building Regulations require that proper precautions be taken when building on contaminated land. Methane and Carbon Dioxide gases are some of the most common and dangerous gases found on brownfield sites. Visqueen Gas Barrier is a reinforced membrane with an integral aluminium foil, which provides a high resistance to methane and carbon dioxide. We can provide a range of ancilleries to complete the system comprising Double Sided Tapes, Top Hats, Gas Resistant DPC & Self Adhesive Membranes.

Gas Barrier





Gas Accessories
We can supply a number of accessories consisting of:

- Double Sided Tapes
- Single Sided Girth Tape
- Foil Tape
- Gas Boxes
- Top Hats
- Radon Sumps
- Membrane Protection Board

Gas Accessories



GX Geomembrane (hydrocarbon)
The Visqueen range of GX Geomembranes is specifically developed to cater for today's technology-demanding Geomembrane applications. Visqueen GX Geomembrane range makes it ideal for a wide range of installations from environmental protection through to petro-chemical and water containment.

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

Gas Resistant (GR) Self Adhesive Membrane
This is designed to prevent the transmission of carbon dioxide, radon and methane gases in tanking applications or where hydrostatic pressure is present. For other applications Visqueen Gas Barrier should be considered. This is in addition to the product's usage as a damp proof membrane. Resistance to gas is achieved by an integral aluminium film. Visqueen Gas Resistant (GR) Self Adhesive Membrane should be used along with Visqueen Tanking Primer Solution, providing the optimum surface to receive Visqueen Gas Resistant (GR) Self Adhesive Membrane. Visqueen Gas Resistant (GR) Self Adhesive Membrane is suitable for use with Visqueen Gas Resistant (GR) DPC, Visqueen Gas Barrier, Visqueen CO2 Gas Membrane and Visqueen Radon Membrane.

CO2 Gas Membrane
The Building Regulations require that proper precautions be taken to prevent danger to health and safety when building on contaminated land. Visqueen CO2 Gas Membrane offers a safe solution for the protection of buildings against carbon dioxide, when installed in accordance with BRE Report: 414 "Construction of buildings on gas contaminated land". Visqueen CO2 is a robust Co-Polymer Thermoplastic membrane; for ease of identification on site the membrane is coloured yellow. The barrier is flexible and is easy to install, and is also suitable for use as a damp proof membrane.


Supreme stocks a wide range of famous brands, and we are committed to offering these to you the customer at the most competitive prices.

For a quote, call us now on 01342 892989.

We look forward to hearing from you about your requirement.

Supreme Building Materials is a trading name of ALMi Group (UK) Ltd
Supreme Building Materials, Units 9 -10 Lambs Business Park, Terracotta Road, South Godstone, Surrey RH9 8LJ
Tel: 01342 892989 Fax: 01342 893989 email: sales@supremeuk.com