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  • Duct Sealants & Mastic

Duct Sealants & Mastic

Water-based duct sealants are flexible, easy to apply, and fast-curing for lasting seals.

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Diversitech 800-009 Pro-Air Duct Sealant, 1 gal Pail, White

Diversitech 800-009 Pro-Air Duct Sealant, 1 gal Pail, White

PN: 896118

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Duct sealants and mastic are specially formulated for sealing joints in internal ductwork systems. These water-based duct mastic sealants are safe to use, flexible, easy to apply, and fast-curing, making them ideal for efficient and long-lasting duct sealing solutions.