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Insulating furnace ducts in crawlspace


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01-12-00, 09:08 PM   #1  
I have a very cold crawl space with furnace ducts running through it, both a return and a supply. The room above the crawl space is always cold. The floor between the room and crawl space is insulated, and I can find no obvious sources of cold air entering the crawl space. What is the best way / product to insulate the forced air ducts?
TIA
Dave

 
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01-15-00, 08:58 PM   #2  
Hello CO_Dave:

My best advice on this type project is to buy the new, already insulated ducting and completely replace the older type existing ducting.

This will be far more energy efficent, faster and easier then attempting to wrap the existing sheet metal ducting you already have.

Check your local chain hardware stores for this product and compare the R-Ratings suggested for your area.

Good Luck,
TomBartco




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TomBartco
TomBartco Enterprises.
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05-31-05, 12:20 AM   #3  
We insulated some ducting inside an ice arena using (Super Therm) a multi-ceramic insulation coating. The ducting now brings heat to the figure skaters to keep them warm when they are not on the ice. Before, there was cold air blowing out through the ends of the ducting.

 
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