Owens Corning FOAMULAR 400 (40 PSI) R-15 Extruded Polystyrene Foam Board Insulation, 3 in x 4 ft x 8 ft, Square Edge MaxCore Pro Kraft Vapor Retarder: Integral kraft

Kraft Vapor Retarder: Integral kraft facing for moisture control and quicker install

Q: Can these be used over existing flooring

Easy Installation: Glue-down design

Complete your CALI Vinyl installation with this Offshore Oak threshold for a seamless

Luxe Performance

Owens Corning FOAMULAR 400 (40 PSI) R-15 Extruded Polystyrene Foam Board Insulation, 3 in x 4 ft x 8 ft, Square Edge MaxCore Pro Kraft Vapor Retarder: Integral kraftFOAMULAR 400 R 15 XPS Foam Board, 3" x 4' x 8' High performance extruded polystyrene (XPS) foam board delivering R 15 insulation in a durable 3 inch panel. Designed for high load applications and exterior sheathing, it resists moisture and is easy to cut and install. Key Features: High Compressive Strength: 400 series XPS rated at 40 PSI for demanding applications Moisture Resistant: Low water absorption helps retain R value over time Energy