Available in two sizes this mastic is ideal for all manner of hvac air leak repairs.
Water based duct mastic sealant.
Master flow duct mastic sealant creates tight seal on duct seams and joints and helps eliminate air leakage to increases the overall efficiency of the duct system.
Using a duct sealant called mastic is the professionals choice.
It is thick and easily applied with a paintbrush or putty knife.
Design polymerics dp 1030 is a 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.
Red devil offers you one the best mastic sealant solutions around.
It will flow into corners and creases too.
Used for permanently sealing sheet metal and flexible duct system joints.
Water based non flammable fire and weather resistant.
Ul 181 listed rigid fiberglass and flexible air ducts.
Sealing air duct plenums takeoffs elbows and vent boots where they connect and sealing the seams per product instructions may help save energy.
Learn how to seal yo.