2.5-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft stone wool high quality finish lumber

high quality finish lumber

It is especially useful when superior fire resistance and acoustical performance are required

This product can be installed as finishing trim

offering increased coverage and requiring less adhesive for projects

resulting in up to 60 seconds faster cuts in both metals and stainless steels versus standard grinding discs

2.5-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft stone wool high quality finish lumberDupont Styrofoam Type 4 XPS Rigid Insulation 2. 5 inch x 2 ft x 8 ft. R Value of 12. 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.