Free Returns (for 60 days)
Free Shipping on orders over $49Duct-Seal 321 is 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 Sealant, Indoor/Outdoor Water Based, 11 oz Container, Tube Container, Gray, Smooth Creamy Texture Form, Viscosity Thixotropic, Coverage Up to 320 lin. ft at 3 inch Width and 20 mil Thickness, Temperature Range: -20 to 200 Deg F, Applicable Material: Metal Duct, Glass Fiber Duct Board, and Flex Duct, as Well as Duct Fabric and Flexible Tubing Runouts, 12 Months Shelf Life, Application Temperature: 35 to 110 Deg F, 35 to 110 Deg F Storage Temp.
