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blackestate 09-30-2013 07:55 PM

exposed crawl space insulating options
 
I have a room with an exposed crawls space for lack of a better term. The room is built and then the floor was insulated with fiberglass insulation. it is in a cabin type home. And I have replaced it 2X. Seems the squirrils love to use the stuff somewhere else. I have not been able to keep them out long term. Still working on that.

I was thinking of doing spray foam on this. Would that be better and less prone to be removed?
Also what is the difference between the sealant and the insulation, I am looking at the froth packs from home depot.

http://www.homedepot.com/webapp/wcs/...tgry=SearchAll

What would you guys recommend?
Thanks

Gary in WA 10-03-2013 11:02 PM

Add plywood under the f.b., fig.7; http://www.buildingscience.com/docum...n-crawlspaces/

Gary

wkearney99 10-04-2013 05:13 AM

Quote:

Originally Posted by Gary in WA (Post 1249295)

Plywood? That's not what the figure shows, it shows using foil-faced foam board.

blackestate 10-05-2013 11:01 AM

that was a good read. so I have changed because of the expense in doing tat much foam. I now plan to use foam board insulation that is foil backed. steak it 2 to 3 layer deep in the hosts, and seal it with the can foam, and eventually cover the whole thing with the foil backed foam board. I think that I can do this one 2 inch layer at a time.
does that noun like it will work?

Gary in WA 10-05-2013 05:49 PM

The plywood is to stop the squirrels from entry. Bottom layer (only) to the joists needs be foil-faced, joints taped, don't forget the rims; http://www.buildingscience.com/docum...l_seal_rev.pdf

Gary

Fairview 10-05-2013 06:08 PM

Quote:

Originally Posted by Gary in WA (Post 1249901)
The plywood is to stop the squirrels from entry.

Gary

That sounds just like a bunch of phd educated people. They need to enroll in at least a summer course at an institution that has a squirrelology department. :laughing:


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