Owens Corning FOAMULAR 250 (25 psi) R-7.5 XPS Foam Board Insulation, 1-1/2 in. x 4 ft. x 8 ft., Square Edge Perfection Floor Tile Q: Do I need grout

Q: Do I need grout or special tools for installation

sold by the carton (18

or below grade installations

Brown Wood-Look Peel-and-Stick Vinyl Floor Tiles

Owens Corning FOAMULAR 250 (25 psi) R-7.5 XPS Foam Board Insulation, 1-1/2 in. x 4 ft. x 8 ft., Square Edge Perfection Floor Tile Q: Do I need groutFOAMULAR 250 R 7. 5 XPS Foam Board, 1 1 2 in. x 4 ft. x 8 ft. Rigid XPS foam board insulation delivering R 7. 5 thermal performance in a 1 1 2 in. thick, 4 ft. x 8 ft. panel with square edges. Durable 25 psi compressive strength resists moisture and retains R value, ideal for exterior sheathing, foundations, and basements. Key Features: High Thermal Efficiency: R 7. 5 in a 1 1 2 in. thick XPS panel helps reduce energy loss Moisture Resistant: Low