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Just cut to fit
Cut threshold with hacksaw to desired length
2 insulation with vapor barrier
with enough capacity for a space of approximately 450-550 square feet
The valve features a washerless cartridge design and integrated stops that allow water to be turned off at the valve
Duct Seal - Gray 321-1 Item # 990086920 Just cut to fitDuct 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
