Replacing Flexible Duct In Attic

In this video i use mastic and air duct sealant t.

Replacing flexible duct in attic.

To prevent problems use saddles or straps to support at regular intervals 4c 4d follow the manufacturer s instructions but in case they get lost here is a list of best practices for. The accessibility of a home s ductwork is a key factor in estimating the cost to replace it. My answer was no but that we need better quality control. Thanks airman and grady.

Flexible ductwork is a very popular because it is easy to install and has great insulation potential flexible ductwork is often made from flexible metals such as tin or aluminum also metal fiberglass or plastic. Some kinds of flexible ductwork can also be made from vinyl insulation which is extremely easy to fit on your own. I had forgotten that a couple years ago i had an a c technician replace some flex duct to another room and there is a 5 5 foot section of 7 flex duct just sitting up there ready to be used. Save up to 30 when you sign up with this link to housecall pro.

Sometimes the best route for a flexible duct run is up and over an obstruction. Flexible non metallic ducting is the most affordable at 1 2 per linear foot on average. Ductwork located in an attic crawl space may be difficult to get to and creates a hot and potentially hazardous environment for the crew. Ductwork running along an open ceiling in the basement of a one story home is also more affordable to replace.

When i updated and reposted the article recently at green building advisor jack lagershausen the executive director of the air diffusion. I just went up in my attic and refreshed my memory as to what exactly is up there. Installing flexible or insulated duct is an easy diy project. The price to replace ductwork in an attic ranges from 500 to 2 000 depending on the size of the home and your existing system.

I ve written a lot about duct problems especially those in flex duct because they re so abundant. A couple of years ago i even wrote an article about whether or not flex duct should be banned. Type of ductwork system the least expensive duct system is a radial system of flexible ducts in an attic running to ceiling grates. But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b.

Installing attic insulation costs 1 700 to 2 100 and may be a good project to do at the same time. I ll show you how to get the job done right.