What Is Duct Sealing? Duct seal is for sealing the outside of your home around electrical wires and other tiny gaps. It is not made for use on your leaky ductwork. Depending on the size of your leak, you may need to combine your liquid mastic with another product such as fiberglass mesh tape. Is
How Long Does Duct Seal Last? The length of time a duct seal can last is important given that houses are said to be designed to last 30 years and flex duct systems are often rated at 15 year life. Ideally, duct seals should last at least as long as the rest of the duct
Is Duct Seal Non Conductive? Duct sealant is used to create a seal that blocks out moisture, dust, and air movement; it can also be used to block noise as well. This material is non-conductive, as well as non-corrosive and will never dry out, allowing it to be easily removed, reshaped, and reapplied when necessary.