Venting an attic is essential for a number of reasons including.
Supporting ductwork in attics.
Hard ducts without proper mooring will be unbalanced and unbalanced ductwork might be to blame for a number of hvac problems.
Heaping insulation over the ducts is fine in dry climates but can cause condensation on the duct insulation jacket in humid climates.
Slide the backing up and over the pipe.
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.
Here s bob s trick for taping a seam on a pipe that s installed close to the subfloor.
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.
By spraying closed cell foam on the ducts before burying them in attic insulation you prevent the condensation problem.
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Adjust the end of the webbing until it sits at least 1 1 2 inches above.
The doe s building america program recommends beds buried encapsulated ducts.
I called out the original hvac company and they took a look and said they saw no water.
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If the ducts are going to be concealed all seams need to be taped or caulked.
You ll also need to provide a return path from a basement air handler or main level return to the second floor.
Cut a piece of foil tape to length.
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.
Peel off part of the backing.
Hold the loose end of a roll of duct support webbing against the side of a roof joist sitting directly above the flex duct.
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.
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.
Give your ducts the proper support.
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You ll need to find a corner such as in a closet to build a duct chase to get ducts from basement to attic.
The most trusted ductwork installation companies in los are on porch.
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.
It was new when the ac was put in 7 years ago.
