RCD Corporation® #7 Mastic® is a water-borne air duct sealant used for permanently sealing the fabricated joints and seams of sheet metal air ducts, rigid fiberglass air ducts, flexible air ducts and thermal insulation. RCD Corporation® #7 Mastic® is a premium grade sealant used for repairing damaged, leaking air ducts and sealing conditioned spaces from air infiltration. The U.S. Environmental Protection Agency's Energy Star® program recommends insulating and sealing air ducts. Sealing and insulating air ducts along with home sealing and crawl space sealing will improve indoor air quality, reduce excess humidity and significantly reduce energy costs.
RCD Corporation® #7 Mastic® is a water-borne air duct sealant used for permanently sealing the fabricated joints and seams of sheet metal air ducts, rigid fiberglass air ducts, flexible air ducts and thermal insulation...
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