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Owens Corning R- 5 Foamular Unfaced Foam Board Insulation$26.21
Owens Corning FOAMULAR NGX (Next Generation Extruded) insulation, is produced with a proprietary blowing agent that delivers a 90% reduction to Global Warming Potential (100 year) compared to current FOAMULAR.,Owens Corning FOAMULAR NGX (Next Generation Extruded) insulation, is produced with a proprietary