Owens Corning FOAMULAR 250 (25 psi) R-20 XPS Foam Board Insulation, 4 in. x 4 ft. x 8 ft., Square Edge Linen Cabinet modular installs that feel tailor-made

modular installs that feel tailor-made

Carton Coverage: 36 tiles per carton cover 36 sq ft

Q: How wide is the roll and how is it sold

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

Owens Corning FOAMULAR 250 (25 psi) R-20 XPS Foam Board Insulation, 4 in. x 4 ft. x 8 ft., Square Edge Linen Cabinet modular installs that feel tailor-madeFOAMULAR 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