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R-3.2, 0.5-in x 4-ft x 8-ft Pro Select R-Matte Plus-3 Faced Polyisocyanurate Garage Door Board Insulation

Rmax R-3.2, 0.5-in x 4-ft x 8-ft Pro Select R-Matte Plus-3 Faced Polyisocyanurate Garage Door Board Insulation

4.7
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A single sheet is 12.94. This does not say how many sheets come in the package for 300+ $s. The number of sheets should be added to the website.