Imperial Design Polymetrics Gray Latex Duct Duct Sealant 1 gal KK035142.99Buy!$AceHardware.comDelivery: USA ReportA fiber reinforced, water-based, premium quality, UL- listed 181A-M/B-M, high-velocity duct sealant for commercial and residential supply and return air duct use. Recommended for for sealing joints, s more→eams, and duct wall penetrations on the metal air ducts. Can also be used for sealing connections on flexible duct or fiberglass duct board.
