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Old 3/15/10, 4:09 AM
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bkelly2 bkelly2 is offline
Certified Professional Inspector (CPI) ®
Join Date: Oct 2004
Location: Phoenix, AZ
Posts: 17,168
Default Re: ducting material

Originally Posted by dgarton View Post
I have a client that has a home built in 1978. He is replacing his heating and AC unit. His HVAC guy says he needs to replace his duct pipes too. Does anyone know what type of material they used back then and how long it should last?

Send a Picture..and I will tell you.......Depends on the area of the country...

Here in Phoenix could be sheet metal, or it could be flexible duct.

Many of the flexible ducts around that time eventually split........
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