Polyiso Insulation Boards, 4x8 Sheets

Rigid closed-cell polyiso insulation boards with glass-reinforced facers, offering a high R-value per inch for roofing, wall, and general insulation applications. Lightweight, moisture-resistant, and easy to cut for garages, barns, sheds, tiny homes, or other energy-conscious builds.

Dimensions
· Width: 48"
· Length: 96" (4ft x 8ft sheets)

Details
· Closed-cell polyisocyanurate foam core
· Glass-reinforced facers
· Roofing-grade insulation board
· Moisture-resistant and easy to cut
· Available in multiple thicknesses and R-values

Condition
· New, on-grade, standard first-quality stock
· Aged inventory, sat in supplier yard too long before reaching us
· Full-size sheets with clean edges
· Some variation in facer type or minor cosmetic blemishes is normal

Notes
· Not rated for under-slab use, designed for roofing and wall applications
· Buyer should verify suitability for intended application
· Buy a full pallet and get 10% off, ideal for larger builds or group buys
· No appointment needed, call or stop by for current stock

Price - Call or Message for Available Stock
· 3.3" (R-19.2): $42/sheet
· 3.5" (R-20.5): $47/sheet
· 3.9" (R-23.0): $48/sheet