Gas Barrier and Ventilation

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Our comprehensive range of fully compatible gas protection products form integrated systems to protect buildings from the ingress of ground borne gases, whatever the construction method, gas Characteristic Situation (CS / Gas Regime), Gas Screening Value, or criteria determined by Ciria 665:2007, BRE414:2001, NHBC Report 10627-R01(04):2007 or BS8485:2015.

We offer a range of Alderprufe gas barrier membranes, gas dpc and pre-formed sections to suit all type of construction methods, and protect against methane, carbon dioxide, radon, hydrocarbons and hydrocarbon vapours. Our Geovoid range of gas venting void formers (Geovoid 26/60, 52/96/ 100/96) allows for maximum flexibility to design gas dilution and dispersal systems to suit every type of construction.