Simplify sealing gaps around your HVAC lines with this easy-to-use fix. AP Sealant HVAC putty is a flexible, non-drying sealing compound designed for HVAC installations where dependable air and moisture sealing is non-negotiable. It easily molds around pipes, ducts, wires, and electrical boxes to fill gaps and irregular openings.
Made from a blend of clay, mineral fillers, and synthetic rubber, this putty creates airtight and waterproof seals for residential and commercial applications. Its flame-retardant, all-weather formulation stays functional across a wide temperature range, making installation more convenient and effective.




