ASTM C578 Type VI, 40 psi, 1.8 pcf density

Owens Corning™ FOAMULAR® 400, 600 and 1000 are high strength extruded polystyrene (XPS) insulation products designed for use in engineered applications requiring additional load-bearing capability such as under slab, concrete floors, foundations, roadways and rail beds, plaza and parking decks and cold storage installations.

The unique closed-cell structure of FOAMULAR XPS helps to make it highly resistant to moisture, retaining its excellent R-value year after year—even following prolonged exposure to moisture and freeze/thaw cycling.

Owens Corning’s FOAMULAR® extruded polystyrene insulation is an ENERGY STAR® qualified product.

Green Approved by Home Innovation Research Labs.

Foamular 400