To apply duct mastic, dip a gloved hand into the tub, scoop out some mastic, and smear it all around every single joint you can find in your ductwork. The mastic has the consistency of pancake batter, and once it cures it stays on the duct and doesn't leak. There are plenty of opp...
A product better suited for the task is duct-sealing mastic, available in tubs at heating supply houses, hardware stores, and home centers. To apply duct mastic, dip a gloved hand into the tub, scoop out some mastic, and smear it all around every single joint you can find in your duct...
Leaky Ductwork: If your HVAC ductwork has leaks, it can lead to inconsistent room temperatures. Inspect your ducts for cracks, gaps, or holes. Seal any leaks using mastic sealant or HVAC tape. For a more thorough and efficient solution, consider professional duct sealing services like those off...