FOAMULAR 1/2 in. x 4 ft. x 8 ft. R-3 Square Edge Rigid Foam Board Insulation Sheathing

FOAMULAR XPS rigid foam insulation boards come in various sizes and thicknesses, offering a lifetime warranty. They are easy to handle and provide excellent energy efficiency with an R-5 per inch.

• The description claims that the insulation must be installed properly to achieve the marked R-value.
• The description claims that only XPS foam is GREENGUARD Gold Certified and contains at least 20% recycled content.