Foil-Faced Polyiso Insulation

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Insulate your commercial building or home for less with this new, foil-faced, polyiso insulation, perfect for roofs, walls and more. Save 60% off retail pricing. Available only in 4.0" thick 4'x8' sheets, their 32 sq. ft. of coverage makes short work of big projects. Let MISC Materials help you keep comfy and under budget! NAME BRAND new polyisocyanurate foil-faced insulation boards. Factory 2nds: may exhibit minor cosmetic, packaging, structural, design, or R-value defects (performance and installation similar to A-grade) Closed-cell, rigid foam core with aluminum foil facing on both sides: Air & water resistant (when properly installed). R-26 (R-6.5 per 1" of thickness). Resists indentation and crushing, yet easy to cut. Non load-bearing; not waterproof; moisture barrier recommended. Intended for: Interior or exterior roofs & walls whether wood, steel, masonry or concrete. May be used elsewhere (may require ignition barrier). No manufacturer warranty; sold as-is. Show more