Used for permanently sealing sheet metal and flexible duct system joints.
Water based duct mastic sealant.
It will flow into corners and creases too.
Air sealing your ducts is cheap and easy and it save s a lot of money.
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.
Sealing air duct plenums takeoffs elbows and vent boots where they connect and sealing the seams per product instructions may help save energy.
Ul 181 listed rigid fiberglass and flexible air ducts.
Non toxic adhesive sealant.
It is thick and easily applied with a paintbrush or putty knife.
Available in two sizes this mastic is ideal for all manner of hvac air leak repairs.
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.
Product overview master flow water based air duct sealant helps seal all types of air ducts to reduce the risk of conditioned air leakage.
Water based non flammable fire and weather resistant.