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I am going to be residing my house which was built in 1949, I recieved 2 estimates for insulating the side walls. One contracter recommends Certainteed Insul-safe because of it’s fire retardence and higher r-value than cellulose. The other contractor recommends “bonded class one wood fiber” (Cellulose?). I was wondering if anyone could tell me which is best and if the fiberglass is worth the $275.00 more that this contractor is asking.
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Oh, geez, you DEFINITELY failed to search the archives on this one!
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I am going to be residing my house which was built in 1949, I recieved 2 estimates for insulating the side walls. One contracter recommends Certainteed Insul-safe because of it's fire retardence and higher r-value than cellulose. The other contractor recommends "bonded class one wood fiber" (Cellulose?). I was wondering if anyone could tell me which is best and if the fiberglass is worth the $275.00 more that this contractor is asking.
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