3-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft drain pipe Crafted from premium Douglas Fir

Crafted from premium Douglas Fir (DFP) and Canadian softwood species (CSP)

longer open assembly time and lower application temperature

Tub and shower enclosures

wood lamination and edge gluing

3-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft drain pipe Crafted from premium Douglas FirDupont Styrofoam Type 4 XPS Rigid Insulation 3 inch x 2 ft x 8 ft. R Value of 15. 0. Compressive strength of 30 psi. 8 sheets per bundle. DuPont Styrofoam Brand SM30 Extruded Polystyrene Foam Insulation is ideal for use in foundations, floor slabs, attics and crawlspaces, where it resists water pickup a characteristic that allows it to maintain its high R value.