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Old 12-13-2010, 08:01 AM   #1
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foam insulation

We have a 6-year old crawl-space house, and our floor is very cold in the winter. Is it a good idea to spray foam insulation to warm things up?


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Old 12-13-2010, 08:20 AM   #2
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Closed cell spray foam would be a GREAT way to fix that. Its a vapor barrier and a great insulator


Everything I state on this forum is an opinion I have developed based on my experience and research as a professional.
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Old 12-13-2010, 08:38 AM   #3
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The foam spray will expand and fill every single nook, cranny, crevice, hole, crack, and gap making a perfect continuous air-tight seal every time, regardless of complex framing and penetrations. This would be a great choice and the R value is un-compromised by external forces like temperature and wind.
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Old 12-21-2010, 03:59 AM   #4
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be sure to put a good vapor BARRIER, like 6 mil poly, Tuff Nuff, etc, on the ground, too. are the walls wood studs, or concrete block? if block, xps ("blue or pink board"), with taping the seams shut, is also an option, and cheaper than spray foam.
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Old 12-21-2010, 02:21 PM   #5
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Couldn't agree more with most, in a crawl space there is hardly a better option than 2+ inches of closed cell . It will do the trick for exactly what are you looking to accomplish.

Last edited by Gary in WA; 02-17-2011 at 11:11 PM. Reason: Ad in post body
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