Owens Corning R-3 (15 PSI) FOAMULAR NGX 150 Extruded Polystyrene Foam Board Insulation, 1/2 in. x 4 ft. x 8 ft., Square Edge Vinyl Flooring Accessories Castle Stone Backing Dry Back

Owens Corning R 3 (15 PSI) FOAMULAR NGX 150 Extruded Polystyrene Foam Board Insulation, 1 2 in. x 4 ft. x 8 ft., Square Edge Vinyl Flooring Accessories Castle Stone Backing Dry Back Castle Stone Backing Dry Back Construction Type LVT Luxury Vinyl Tile Yes Groutable No Self Adhesive No Floating Yes Textured Yes Protective Wear Layer Urethane Scratch Resistant Yes Skid Resistant Yes Stain Resistant Yes Water Resistant Yes Phthalate Free Yes Use Location Indoor Commercial Residential Commercial Residential For Use in Bathrooms Yes For Use in Kitchens Yes For Use Over Concrete Yes For Use Over Tile Yes For Use Over Vinyl Yes For Use Over Wood Yes Sub Floor Surface Clean follow manufacturer instructions for substrate prep and adhesive