• EPS Expanded Polystyrene Snap Board 1"- 10psi R-3.85 Closed-cell Foam Foil Face 1-side 4x8 · sold in full 24-piece units only

Rmax Thermasheath-3 is an energy-efficient thermal insulation board composed of an environmentally sound closed-cell polyisocyanurate foam core bonded to reinforced aluminum foil facers on each side. It is suitable for use in walls, ceilings and some limited roofing applications in new construction and in thermal retrofit construction within existing buildings. It is ENERGY STAR approved, and an ideal choice for cavity walls, masonry walls, vaulted ceilings and many other building envelope continuous insulation applications.