Gas Barrier & Ventilation Systems

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.