The Surprising Truth About Duct Sealing

Duct sealing prevents energy waste. But did you do duct sealing also may make your home safer? That’s because leaky ducts may draw carbon monoxide or other combustion gases into your living space. These gases are byproducts of gas-burning appliances, such as furnaces, and they are normally vented outside. When they invade your ducts through leaks, it’s called backdrafting.