Let MISC Materials help insulate your residential or commercial building for over 60% off typical retail pricing with these new, A-grade, polyiso insulation boards. Designed for walls, they can be used in a variety of other settings as well. New polyisocyanurate (polyiso) insulation sheets. Atlas brand; made in the USA; easy to cut & install. A-grade: perfect condition, identical to supplier-available material. Closed-cell, rigid foam core with various facing options. For commercial, industrial, institutional and residential installations. Resists indentation & crushing; non-load-bearing. Manufactured in environmentally-friendly manner. No manufacturer warranty. +8.45% sales tax; 2% discount for cash. Models available: Energy Shield XR (ESXR): impermeable foil facers. For above or below grade exterior foundation walls, under-slab, wood or steel framed walls, and masonry or concrete walls. Moisture resistant; UV-stable; 25 psi compressive strength. Compatible with most solvent-based products. R-Value: ~6.5 per 1" of thickness. Available in 4'x8' sheets only. Energy Shield Pro (ESPRO): aluminum foil faced (reflective on one side, white acrylic coated on the other). For exterior wood or steel framed walls with or without sheathing, masonry or concrete walls, interior exposed walls & ceilings and attics & crawlspaces (no thermal barrier required). Acts as an air and water resistive barrier when installed accordingly. Moisture resistant; 25 psi compressive strength. R-Value: ~6.5 per 1" of thickness. Available in 4'x8' and 2'x8' sheets. Rboard: coated-glass facers (non-reflective; vapor permeable; water-resistant). For exterior or interior sheathing for wood or steel framed walls, CMU, block & concrete walls. Thermal barrier required for interior installation. Exterior CI (continuous installation) over wood or gypsum. Can be used over existing cladding. R-Value: ~6.0 per 1" of thickness. Available in 4'x8' sheets only.