1 in. x 4 ft. x 8 ft. XPS Rigid Foam Insulation Board (4-Pack)

Extruded polystyrene rigid foam insulation boards for walls, roofs, and foundations. Closed-cell structure resists moisture absorption and maintains R-value over time. Ideal for continuous insulation applications.

Specifications

• R-5 per board (1 in. thick)
• 4 ft. x 8 ft. per board
• 4-pack (128 sq. ft.)
• Closed-cell XPS construction
• Compressive strength: 15 PSI
• Moisture resistant