Visqueen GX Flexi Hydrocarbon Barrier is an enhanced polymer modified flexible membrane designed to comply with current guidance on Hydrocarbons. Manufactured using the latest extrusion 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 Hydrocarbons. The product is available in Single Wound Sheeting (SWS) roll format, 1.4mx 50m, and in 2 colours; white to reduce linear expansion in hot weather or grey.