Pictures Of Ways To Support Ductwork In An Attic

Smooth rigid ducts with tape or mastic around all joints will prevent air leakage.
Pictures of ways to support ductwork in an attic. Secure the insulation with short strips of foil tape. To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct. Well mainly it s a way to save space. Remember that article i wrote about ducts installed against the roof deck and how i said it was probably the absolute worst single location for installing ducts.
Repeat to insulate the remaining ducts. Well in the comments dave roberts a senior engineer at the national renewable energy lab nrel wrote about a paper he co authored last year and included a link to it. Always insulate the duct to prevent condensation problems as the warm air will be potentially running through cold ductwork. Apply a long strip of foil tape along the seam in the insulation.
The attic ductwork is flex duct work. How to hang flex duct in an attic. Flex duct requires the correct support to ensure it does not restrict air as it flows from the air conditioning unit to the registers distributing air throughout. It was new when the ac was put in 7 years ago.
Wrap the insulation around the duct and then pinch the seam closed. Foam tubing or fiberglass will work but it s also possible to buy pre insulated 4 duct. Up against the deck may be the worst place in the attic to. I called out the original hvac company and they took a look and said they saw no water.
So why put an hvac system up in the attic at all. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.