Manufacturer Description

RCD Corporation air duct sealants (Mastics) save energy by sealing leaking HVAC air ducts in forced air heating and cooling systems. Repairing and sealing sheet metal ductwork, flexible duct, fiberglass duct board, and crawl spaces with RCD Corporation adhesives, mastics, and insulation coatings improves indoor air quality and saves electricity. Professional HVAC, Mechanical, and Weatherization Contractors depend upon RCD every day.