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Atlas Roofing

R-Board Fiber Faced Sheathing 4x8 1/2 in

Mfg.# 4X812
Sku# 4501243
Location Price

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*Estimated stock levels as of Thu, Aug 17, 2017. All items subject to prior sale. Please call ahead to verify.

Rboard® is a non-ozone depleting, versatile substrate that can be used behind a variety of exterior cladding.

Rboard® sheathing is a rigid polyiso foam insulation panel with a specially coated and patented facer on both surfaces. It is one of the most cost effective, energy efficient sheathing materials available in the marketplace.

Builders who prefer the strongest available non-reflective faced polyiso insulation choose Rboard® for superior insulation qualities and easy installation. When properly installed, Rboard® wall insulation will provide added insulation and yield immediate energy savings in both Commercial and Residential applications. R-values range from 3.0 to 21.7, depending on thickness.

Length:96 in
Thickness:1/2 in
Width:48 in