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insulation of a crawl space

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01-28-00, 05:10 PM   #1  
I have an a-frame roof with a crawl space. I was wondering if I run double layers of insulation; one layer being batted and one layer unbatted along the ceiling joist and add a vabor barrier. Or should I insulate along the a-frame and add a vabor barrier to that???

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01-28-00, 06:48 PM   #2  
Hi: jakenupe2

Reading your posting, I would suggest using blown in insulation. This will work well and will not require any extra layers or a vapor barrier.

<Providing there is already adequate ventilation.>

Insulating the ceiling between the rafters directly on the ceiling is all that is needed. Using the highest rating and best quality material in either bats or blown in will preform well and can be done by yourself.

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02-07-00, 07:25 AM   #3  
Blown in insulation is a very good unless you ever need to tear into the ceiling. What a mess.

During a recent commercial remodel we were forced to leave some sheetrock in place which really should have been replaced, but the mess of blown in insulation changed the tact.

The batts and rooled idead does work well. Use high R rated glass (Double R-19).


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