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DiversiTech 800-009 Airlock 181 Fiber-Reinforced Water Based Duct Sealant is developed for high efficiency in sealing ductwork systems. This one-gallon duct sealant provides a flexible, non-toxic bond suitable for metal, fiberglass, and flex duct systems.
This sealant is widely recommended for HVAC professionals looking to seal joints and seams in ductwork effectively. Its high-quality, water-based composition meets UL-181 standards for flame retardance and smoke development.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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