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Owens Corning FOAMULAR 250 1-1/2 in. x 4 ft. x 8 ft. R-7.5 Square Edge Rigid Foam Board Insulation Sheathing 4C - The Home Depot
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Owens Corning FOAMULAR NGX F-250 2 in. x 4 ft. x 8 ft. SSE R-10 XPS Rigid Foam Board Insulation 52DDNGX - The Home Depot
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