Flexible duct is a plastic tube that is reinforced with wire and then insulated on the outside.
Fixing ductwork attic.
How to fix tear in ductwork.
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.
Use enough tape to extend about 3 4 inch onto the metal or plastic pipe and bridging.
All parts you need can be purchased at home depot or lowes.
Cover the damage with the tape.
Once you ve found the leak use foil duct tape to cover the gap and seal the leak.
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.
Energy saver can identify and repair all of your ductwork issues.
Duct system testing including air flow and leakage tests.
It was new when the ac was put in 7 years ago.
I called out the original hvac company and they took a look and said they saw no water.
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.
With the furnace fan running you can feel air escaping the duct.
The next most typical type of duct systems is made of flexible duct.
It s effective but not cheap.
The price of a duct and vent professional can vary depending on your area.
Climb into your attic.
Duct insulation in unconditioned spaces to prevent heat loss and improve hvac efficiency.
Our ductwork solutions include.
Yes you re right that it can be difficult to get ducts out of conditioned space in existing homes.
Most modern ductwork comes standard with insulation and a vapor barrier so my recommendation would be to just replace your ductwork.
The next step is to ensure that you add a vapor barrier to your ductwork.
The average cost for a duct and vent professional is 100.
How to splice two pieces of ductwork together.
Cut a piece of foil tape large enough to cover the damage to the internal duct.
For an extra layer of protection use a paintbrush to apply a coat of duct mastic.
Quick and easy fix.
Step only on the joists or lay plywood across the joists to allow you to move safely through your attic.
If you re in a humid climate burying ducts in the insulation could lead to condensation and ceiling damage.
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.
Spraying foam insulation on the roof deck is the most popular method to do this.
The attic ductwork is flex duct work.
