Hvac Duct Sealer

Duck brand hvac duct sealing tape is one of the most trusted brands.

Hvac duct sealer. The mastic sealants are either fiber reinforced or non reinforced and are available in white or gray. Also used for sealing connections on flexible duct or fiberglass duct board. It dries to a tough flexible and weather resistant seal. Find duct sealants at lowe s today.

These products are listed by ul underwriters laboratory having ul 181 a m and or ul 181 b m. Sealing air duct plenums takeoffs elbows and vent boots where they connect and sealing the seams per product instructions may help save energy. The sealant is fiber reinforced and easy to apply by brush gloved hand or putty knife to flex duct duct board and sheet metal air ducts. In a typical house however about 20 to 30 percent of the air that moves through the duct system is lost due to leaks holes and poorly connected ducts.

Used for sealing joints seams and duct wall penetrations on metal air duct. As long as you don t confuse the two you can seal your ducting leaks and make beautiful duct tape belts or bracelets. Our non toxic water based formula effectively seals all the holes in the air ducts and vents making sure the air goes where you need it not where you don t. This method for sealing leaky ducts can be less time consuming and messy but doesn t tend to stack up with other duct sealing methods in terms of.

One of the ways you can seal leaky ductwork is with hvac duct sealing tape. Also known as aluminum foil tape hvac duct sealing tape comes on a roll and can be found in every hardware store. 3m aluminum foil tape 3340 2 5 x 50 yd 4 0 mil silver hvac sealing and patching hot and cold air ducts fiberglass duct board insulation metal repair 4 7 out of 5 stars 452 16 98 16. And while their duct tape line isn t designed for hvac applications this particular line is one of the best for the job.