Fixing Ductwork Attic

Cut a piece of foil tape large enough to cover the damage to the internal duct.

Fixing ductwork attic. Energy saver can identify and repair all of your ductwork issues. 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. The attic ductwork is flex duct work. With the furnace fan running you can feel air escaping the duct.

Duct sealing to eliminate leaky ducts and improve efficiency. To hire a duct and vent professional to install or remove your ducts and vents you are likely to spend between 80 and 150 total. The next most typical type of duct systems is made of flexible duct. The price of a duct and vent professional can vary depending on your area.

It was new when the ac was put in 7 years ago. Duct system testing including air flow and leakage tests. Duct insulation in unconditioned spaces to prevent heat loss and improve hvac efficiency. Cover the damage with the tape.

Step only on the joists or lay plywood across the joists to allow you to move safely through your attic. How to splice two pieces of ductwork together. Flex ducts themselves do not sweat however if the connection points are not sealed correctly and duct leakage is occurring then you can get sweating at those points. Move insulation away from the ducts if necessary.

Once you ve found the leak use foil duct tape to cover the gap and seal the leak. Most modern ductwork comes standard with insulation and a vapor barrier so my recommendation would be to just replace your ductwork. Climb into your attic. All parts you need can be purchased at home depot or lowes.

For an extra layer of protection use a paintbrush to apply a coat of duct mastic. Leaks in ductwork are often found where lines branch off or separate. Otherwise moisture will build up and you can face possible mold problems in your attic. I called out the original hvac company and they took a look and said they saw no water.

Quick and easy fix. If you re in a humid climate burying ducts in the insulation could lead to condensation and ceiling damage. The next step is to ensure that you add a vapor barrier to your ductwork. Spraying foam insulation on the roof deck is the most popular method to do this.

It s effective but not cheap. Use enough tape to extend about 3 4 inch onto the metal or plastic pipe and bridging. Yes you re right that it can be difficult to get ducts out of conditioned space in existing homes. The average cost for a duct and vent professional is 100.

The really bad news is that with old metal duct systems the only option is replacement of the ducts to stop the rain in the attic.