Vapor Barrier XP is a two-component 100% solids epoxy seal coat that can help control moisture vapor emission rates up to 20 lb/24hr/1000 ft 2, prior to application of Vinyl sheets, Tiles, Cementitious overlays, Terrazo, Wood veneers, Carpet or polymeric coating systems. The product meets the ASTM F3010 product requirements for vapor permeance at the recommended thickness.