Visqueen Gas Vent Mat comprises a cuspated HDPE (High-Density Polyethylene) core bonded to a non-woven polypropylene geotextile filter membrane. Visqueen Gas Vent Matis 25mm thick and supplied in 900mm x 50m roll format.

Visqueen Gas Vent Mat is a cuspated gas venting composite specifically designed to overcome the problem of high levels of gas concentrations underneath buildings. Lightweight and easy to lay with a high gas flow capacity Creates a depressurisation zone for collection of ground gases unrivalled technical and design support