Repair Air Ducts in Crawlspace


  #1  
Old 04-11-04, 02:50 PM
geekmeister
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Repair Air Ducts in Crawlspace

I have flexible air ducts (non-metallic, insulated, lined) in the crawlspace under my floor. One of the air ducts disconnected from the register box.

What is the best way to reconnect the duct to the register box?
 
  #2  
Old 04-11-04, 04:36 PM
Ed Imeduc's Avatar
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For now pull the inside of it out some and slip it back on the register boot. Home depot has the bands you need to put on this. put one on then pull the outside of the pipe down over it all and put another band on it. They also have a pipe and duct mastic to put over it then .

Id also ask do you have a 6mil poly down on the ground there and the wall insulated in the crawl space?

ED
 
  #3  
Old 04-12-04, 06:50 PM
geekmeister
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Originally posted by Ed Imeduc
For now pull the inside of it out some and slip it back on the register boot. Home depot has the bands you need to put on this. put one on then pull the outside of the pipe down over it all and put another band on it. They also have a pipe and duct mastic to put over it then .

Id also ask do you have a 6mil poly down on the ground there and the wall insulated in the crawl space?

ED
Thanks for the info. This helps.

Regarding the 6mil poly, I assume you're referring to a sheet of plastic on the ground... Yes, it's covering the entire area. The walls are concrete.
 
  #4  
Old 04-13-04, 08:35 AM
Ed Imeduc's Avatar
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... Yes, it's covering the entire area. The walls are concrete.
The poly should over lap 2' tape the seams. The walls should have a 2" or 3"polystryene on them . The joist space up there on the sill plate should have like a block of R19 insulation in them all around the home. It pays to have this .

ED
 
 

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