1"x4'x8' FOAMCORE R-6.5

1x4x8 Foamcore R6.5: Reliable closed-cell, moisture-resistant 1 inch thick, 4' wide, 8' long Foamcore insulation board with an R-value of 6.5. Retains R-value after moisture exposure, making it ideal for boosting thermal efficiency in walls, floors, and ceilings. Suitable for both residential and commercial applications, this Foamcore board offers excellent insulation and durability. Easy to handle and install, it’s perfect for DIY projects and professional construction alike. (Brand may vary.)