GeoVapor G is a high performance, 15 mil 3-layer co-extruded underslab vapor barrier containing post-consumer recycled content in the core layer. The outer layers are made from state-of the-art polyethylene resins that provide superior physical and performance properties far exceeding ASTM E-1745 (Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs) Class A, B and C requirements. Click here for Product Data Sheet.