CCWI-181 1gal Water Based Duct Sealing

Hardcast/Carlisle - CCWI-181 is a versatile indoor/outdoor water based 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. It incorporates a built-in polyester reinforcement for exceptional strength with UV inhibitors for outdoor use.