May Collection

Hardcast Versa-Grip 181 Indoor/Outdoor Fiber Free White. 1 Gallon. Versa-Grip 181 is a premium grade, versatile all purpose, duct sealant for use on all types of metal duct, glass fiber duct board, and flex duct, as well as duct fabric and flexible tubing runouts. Versa-Grip incorporates a built-in fiber reinforcement for exceptional strength, with UV inhibitors for outdoor use. 10 Year Outdoor Warranty when combined with an AFT-701 combination system.

Hardcast Duct-Seal 321 Indoor/Outdoor Fiber Reinforced Gray. 1 Gallon. Duct-Seal 321 in an all purpose industrial grade duct sealant for all types of metal duct, glass fiber duct board, and flex duct, as well as duct fabric and flexible tubing runouts. It includes UV inhibitors for extended outdoor exposure and built-in fiber reinforcement for added strength. This non-toxic water based product is solvent free and is suitable for residential use. -Duct-Seal 321 is UL 181 B-M Listed -Passes ASTM D-2202, ASTM C-731. USDA, EPA and FDA Approved. LEED compliant SCAQMD Rule 1168. -City of Los Angeles Approval RR #8069