Supporting Ductwork In Attics

Adjust the end of the webbing until it sits at least 1 1 2 inches above.

Supporting ductwork in attics.

Tips for running ductwork through the attic ideally in a passively vented system the attic is completely sealed from the living space by gypsum board and caulking along all ceiling joints creating an airtight seal. Get the best info on local attic vent installation services. The doe s building america program recommends beds buried encapsulated ducts. Improperly supported flex ducts will sag which cuts down on airflow meaning cool air generated by an ac unit will struggle to reach your in law suite.

Hard ducts without proper mooring will be unbalanced and unbalanced ductwork might be to blame for a number of hvac problems. Slide the backing up and over the pipe. If flex duct was left too long shift duct lengths between support locations to stretch the duct as tight as possible then cut off the excess and reconnect at a joint or duct boot. Hold the loose end of a roll of duct support webbing against the side of a roof joist sitting directly above the flex duct.

This is an especially relevant tip for flex ducts more on that in a minute but you need to make sure any ducts in your attic have proper support. Get the best info on local ductwork installation companies. Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water. Give your ducts the proper support.

Cut a piece of foil tape to length. By spraying closed cell foam on the ducts before burying them in attic insulation you prevent the condensation problem. The attic ductwork is flex duct work. If the ducts are going to be concealed all seams need to be taped or caulked.

You ll need to find a corner such as in a closet to build a duct chase to get ducts from basement to attic. Support ducts with hanger straps generally in an attic add hangers strapping at least 1 5 inches wide where needed to ensure no hangers are more than 4 feet apart. Heaping insulation over the ducts is fine in dry climates but can cause condensation on the duct insulation jacket in humid climates. Peel off part of the backing.

Here s bob s trick for taping a seam on a pipe that s installed close to the subfloor. It was new when the ac was put in 7 years ago. See costs licenses and reviews from friends and neighbors. Venting an attic is essential for a number of reasons including.

See costs licenses and reviews from friends and neighbors. You ll also need to provide a return path from a basement air handler or main level return to the second floor.