Owens Corning FOAMULAR 250 (25 psi) R-20 XPS Foam Board Insulation, 4 in. x 4 ft. x 8 ft., Square Edge Linen Cabinet Carton Coverage: 36 tiles per

Carton Coverage: 36 tiles per carton cover 36 sq ft

easy-clean performance in a glue-down installation

I love the unfaced format for its flexibility—perfect for thoughtful assemblies where you want control and customization

It is FloorScore certified and phthalate‑free

Upgrade your space with the warm

Owens Corning FOAMULAR 250 (25 psi) R-20 XPS Foam Board Insulation, 4 in. x 4 ft. x 8 ft., Square Edge Linen Cabinet Carton Coverage: 36 tiles perFOAMULAR 250 R 20 XPS Foam Board, 4x4x8, Square Edge High performance extruded polystyrene (XPS) rigid foam board delivering R 20 thermal resistance in a 4 in. thickness. Designed for interior exterior walls, foundations, and sheathing, it offers 25 psi compressive strength with excellent moisture resistance and easy score and snap installation. Key Features: High R Value: R 20 thermal resistance at 4 in. thickness for strong energy savings Durable