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linuxrunner 04-21-2011 10:44 AM

Insulating A Stone House
 
We have a stone house built in 1930 and it has been a challenge to insulate within the walls. during a kitchen remodel we found that the space in the exterior walls is just a little less than 4in deep. The only batt style insulation we could fit was r-13.

Is there any other insulation that would be a better insulator we could DIY for such narrow walls?

Obviously expanding spray in foam would be the best be we can't seem to find a way to DIY.

nap 04-21-2011 12:20 PM

well, a typical wall is a bit less than 4" deep due to the width of a standard 2X4 being 3 1/2 inches. Yes, that does limit the amount of insulation one can install. Depending on how much money you want/can spend, you might look into spray foam. The closed cell variety has about the best R rating of any common insulation. It also works to seal the wall against air infiltration.

diy foam: search the net. Tigerfoam is but one. Not recommending them but they always turn up on a Google search when I look for such an installation system.

http://www.google.com/search?rlz=1C1...oam+insulation

Gary in WA 04-23-2011 10:35 PM

There is also cellulose; http://www.wag-aic.org/1999/WAG_99_baker.pdf
Is there any air space at frame/stone or all stone?

Gary

linuxrunner 04-25-2011 11:16 AM

the backs of the 2x4's have been scribed to match the stone and are pushed up against it, so some places have almost 4 in others are more like 2in.

Gary in WA 04-25-2011 12:22 PM

As Nap said for SPF or add a 2x4 wall interior.

Gary


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