Air Duct Seal

A better option is to use mastic air duct sealant.

Air duct seal.

Duct sealing by michael church here and in this video we re going to show you how and why it s very important to air seal the run of the ductwork. This pasty thick paint like substance can be applied to cracks and gaps in your ductwork with a caulking gun and spread with a paintbrush or if using a gallon pail just scooped and applied directly with the paintbrush. Duck brand hvac duct sealing tape is one of the most trusted brands. Air duct sealing video transcript.

Master flow water based air duct sealant helps seal all types of air ducts to reduce the risk of conditioned air leakage. 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. You all have duct work either in your attic or crawlspace or something like that. In houses with forced air heating and cooling systems ducts are used to distribute conditioned air throughout the house.

When using mastic duct sealant on your own you can apply it with a simple paintbrush. Duct sealant is another product that is commonly used to seal up duct leaks. Dap high temp 100 rtv silicone sealant 10 3 fl oz red duct sealant. 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.

We connect our proven technology to your home or business heating air system to distribute the sealing formula. Ducts are what distribute heat and air conditioning to the various rooms of your house and often these passages have gaps in their connections allowing the conditioned air to leak out before it reaches the intended room. Most homeowners don t think about sealing the air ducts of their home but the process is crucial to keeping your house energy efficient. As long as you don t confuse the two you can seal your ducting leaks and make beautiful duct tape belts or bracelets.

The sealant is fiber reinforced and easy to apply by brush gloved hand or. Sealing air duct plenums takeoffs elbows and vent boots where they connect and sealing the seams per product instructions may help save energy.