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

Water-based fiber-reinforced duct sealant/mastic formulated for indoor/outdoor use. Meets U.L. Class 1 rating and local codes while featuring long term flexibility and strength. Use on metal heating, ventilating, and A/C duct systems; as well as fiberglass duct board systems and flex duct systems. Recommended for use to 10in. Of water column pressure without the need for fiberglass mesh reinforcement.

Diversitech Pro-Air Duct Sealant, Pail, 1 gal, Composition: Limestone, Alkanes, C14-17, Chloro, 2-Propenoic Acid, 2-Methyl-, Polymer with Ethyl 2-Propenoate, Quartz, Methanol, Ammonia Hydroxide, Titanium Dioxide, Bronopol (INN), Solid, White, Ammonia, 8 to 9.5 pH, <37% VOC