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R11 3 1/2 in Kraft Faced Insulation
A high-quality fiberglass batt or roll used in residential construction for thermal and acoustical insulation of walls, ceilings and floors. The products are available unfaced or with kraft or foil facings.
For California Residents:
WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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M.R. Lee Building Materials, Inc. 12630 S. Hamlin Court, Alsip IL, 60803 US