How To Install Ductwork In Attic

The trick to getting these installations right is to use rigid ductwork for all deviations from straight then pull the ductwork taut between the two ends which now point towards each other.

How to install ductwork in attic.

How to properly install ductwork in an attic tip 1. The attic ductwork is flex duct work. If your supplier doesn t carry draw band connectors make your own by cutting a piece of pipe to overlap the ends and then screw and tape the band into place. The vent should be installed under the first course of shingles and sealed to the sheathing and installed according to the manufacturers specifications.

The big advantage over a full rigid installation is sound control the installations are quieter than fully rigid ones. Measure each run of exposed duct in an attic basement or under a subfloor. Choose properly sized ducts. One of the most common mistakes when installing attic ductwork is choosing.

Overlap one side as you normally would and create a butt joint on the other. 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. Installing flexible or insulated duct is an easy diy project.

When installing the roof vent try to keep it the most direct route to the outside preventing sharp turns in the ductwork where condensation can build up. This is an especially relevant tip for flex ducts more on that in a. It was new when the ac was put in 7 years ago. Use a draw band connector to complete the butt joint.

I called out the original hvac company and they took a look and said they saw no water. I ll show you how to get the job done right. Richard trethewey is in the basement where the ductwork is being connected and installed by hvac contractor obie rosa and his crew. There you have it.

In addition to comparing ducts in the attic to ducts inside the building envelope roberts and winkler also looked at electricity savings of other measures such as adding insulation installing better windows and using higher efficiency air conditioners. Obtain foil face fiberglass insulation based on the sizes.