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Amvic SilveRboard SB35S1000S 1 in. x 4 ft. x 8 ft. Type-3 Under Slab Rigid Foam Board Insulation, for Below Grade and Under Concrete Insulation, is a high performance flat-sheet insulation material made from Expanded Polystyrene (EPS) which is coated with a layer of air and vapor barrier surface, lamination on both sides. This highly effective combination of materials offers a higher r-value per inch compared to traditional flat-sheet insulation as well as provides built-in moisture and air barriers. SilveRboard Rigid Foam Insulation (EPS) offers builders a higher performance product which increases job-site efficiency and reduces labor costs.

Features

• SilveRboard rigid foam insulation (EPS) is acceptable for floor, wall and roof insulation for above and below grade
• Creates thermal envelope for maximum heat/cooling efficiency
• 2 side surface film is mold-mildew, vapor and air resistant when joints are taped with vapor barrier
• Provides level, rigid surface for finishing
• Lightweight foam, easy to handle