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R-Max 3in x 4ft x 8ft Polyiso Rigid Foam Insulation Board Thermasheath 3

Product code: 1643

Quick Overview:


Rmax Thermasheath-3 is an energy-efficient thermal insulation board composed of an environmentally sound closed-cell polyisocyanurate (polyiso) foam core bonded to reinforced aluminum foil facers on each side. This insulation is suitable for use in walls, ceilings and some limited roofing applications in new construction for commercial, residential, agricultural and industrial buildings and in thermal retrofit construction within existing buildings. Thermasheath-3 is available in 1/2" to 4-1/2" thicknesses, as well as, several different lengths.Thermasheath-3 is ENERGY STAR approved.

Size: 3in x 4ft x 8ft

R-Value: R-20.3

Sq Ft/Sheet: 32

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