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Owens Corning FOAMULAR 250 2 in. x 2 ft. x 8 ft. R-10 Tongue and Groove Rigid Foam Board Insulation Sheathing 24DD - The Home Depot
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Below-Grade Under Slab system with FOAMULAR® rigid board insulation. - Owens Corning® Enclosure Solutions
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Soprema Sopra-XPS 20 Water-Resistant Insulation Panel - Extruded Polystyrene - 8-ft x 2-ft x 2-in - R10 44429 | RONA
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GreenGuard R-10, 2-in x 4-ft x 8-ft Unfaced Polystyrene Board Insulation in the Board Insulation department at Lowes.com
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SilveRboard R-10, 2-in x 4-ft x 20-ft Faced Polystyrene Board Insulation in the Board Insulation department at Lowes.com
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