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Insulating an existing brick house/wall cavity

 
                              
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I came across away to use foam to fill the cavity space between the outside brick on a older home. It kinda seams alittle costly tho but I"m wondering if it would be worth it in the long run. I have a 1920's home which is Block on the inside.outside walls and brick on the outside with about a 3 inch cavity top to bottom. I would love to fill that cavity. Does anyone have any other suggestions for this.  Thanks... You guy's are awesome.
 
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Dr. Joe Lstiburek talks about such a venture here http://www.greenbuildingadvisor.com/blogs/dept/building-science/insulation-retrofits-old-masonry-buildings-building-science-podcast
There are quite a few shows between Lstiburek and his partner Dr. John Straube on www.GreenBuildingAdvisor.com. They are good shows about building science.
 
                              
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Dabumb wrote:
I came across away to use foam to fill the cavity space between the outside brick on a older home. It kinda seams alittle costly tho but I"m wondering if it would be worth it in the long run. I have a 1920's home which is Block on the inside.outside walls and brick on the outside with about a 3 inch cavity top to bottom. I would love to fill that cavity. Does anyone have any other suggestions for this.  Thanks... You guy's are awesome.



Here's a video on Wall Foam

http://www.youtube.com/watch?v=NcVLYhEaF-s
 
Jim Argeropoulos
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If you have a brick wall, you can toss out their "reduce exterior noise by 80%" claim. The high mass of the brick already does a very good job of reducing the noise. The only way it makes it into your home now is really via the windows.
 
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Dabumb Hatfield wrote:

Here's a video on Wall Foam

http://www.youtube.com/watch?v=NcVLYhEaF-s




OMG so much BS salesman speak in that 4 min video i wouldnt trust them to cross the road in a straight line.

 
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Location: Groton, CT
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Airkrete insulation. Did my 1947 house to R-16 for about $4500.

They drilled about 500 holes into my brick facade, blew in the foam, then re-mortared. Took a day.
 
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