How To Install Ductwork In Attic
There you have it.
How to install ductwork in attic. Measure each run of exposed duct in an attic basement or under a subfloor. The attic ductwork is flex duct work. The big advantage over a full rigid installation is sound control the installations are quieter than fully rigid ones. How to properly install ductwork in an attic tip 1.
Use a draw band connector to complete the butt joint. I ll show you how to get the job done right. Measure the size of all square rectangular or circular ducts. 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.
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. Give your ducts the proper support. 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.
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. I called out the original hvac company and they took a look and said they saw no water. 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. Richard and obie show kev.
Obtain foil face fiberglass insulation based on the sizes. One of the most common mistakes when installing attic ductwork is choosing. Installing flexible or insulated duct is an easy diy project. Overlap one side as you normally would and create a butt joint on the other.
The vent should be installed under the first course of shingles and sealed to the sheathing and installed according to the manufacturers specifications. Richard trethewey is in the basement where the ductwork is being connected and installed by hvac contractor obie rosa and his crew.