How To Repair Insulated Flexible Duct
So when your ac appears to be blowing warm air at first that eventually cools let your air duct expert know to look for.
How to repair insulated flexible duct. To start we pulled back the insulation and cut off the damaged section of duct and reinforced each of the ends of the duct with several layers of foil tape. You can peal back the outer layer and then use pliers to attach the new panduit strip. 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. There are a few different ways that you can repair the flexible duct depending on what went wrong in the first place.
Use enough tape to extend about 3 4 inch onto the metal or plastic pipe and bridging. Save up to 30 when you sign up with this link to housecall pro. Hvac duct repair ends reinforced with foil tape step 2 the ends were then secured together using five 6 inch zip cable ties with label tags. Sometimes the best route for a flexible duct run is up and over an obstruction.
Inadequate insulation forces the hvac system to heat or cool the ductwork before the proper air temp can be reached. Take your flexible duct and peel back the plastic liner then peel back the fiberglass insulation to expose the inner liner. But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b. Due to a variety of reasons your ducts may actually have inadequate insulation.
Cover the damage with the tape.