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redman88 11-17-2012 11:42 AM

duct work
 
what would be the best way to insulate this exposed duct work?


http://i277.photobucket.com/albums/k...n1982/roof.jpg

carmon 11-17-2012 06:30 PM

put insulation on it.. then a weather proof wrap..... costs about $110.00 per foot around here...

Fix'n it 11-17-2012 06:45 PM

i would also put some type of roof over it. to shield it from the sun.

southernkilowat 11-17-2012 08:19 PM

Isnt it already insulated on the inside?

Chimmy 11-17-2012 10:44 PM

spray foam insulation works
 
insulating the ducts interior with fiberglass sucks imho

redman88 11-18-2012 12:26 AM

It is insulated on the inside. Some day I will reroof the house and put all this in the attic

beenthere 11-18-2012 04:41 AM

Quote:

Originally Posted by redman88 (Post 1054861)
It is insulated on the inside. Some day I will reroof the house and put all this in the attic

Your outdoor humidity may be low enough you don't need to worry about the sheet metal sweating if you also wrap it. But before you do. Put a temp sensor on the supply and then cover that area with a piece of insulation 1'X1' of the same value you intend to use. Run the A/C and see how cool it gets. If it gets cooler then the outside dew point, you could end up rusting out your sheet metal before you plan to re-roof.


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