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foam vs. fiber insulation
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aemeijers
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Posts: 5,149
foam vs. fiber insulation
On 4/16/2011 11:13 PM,
wrote:
Hello all,
Looking for opinions on crawl space insulation. This is for an old
rent house on block and pad foundation. I am considering either R13 or
1 1/2" rigid foam (vapor barrier on one side and radiant barrier on
the other).
Fiber seems to have better cumulative R-value. However, I don't know
if bugs and crawlies nesting in it will be an issue. I can get the 1
1/2 for about 10 dollars a piece. Fiber will let me do this
incrementally as time allows.
Trying to get a feel on what is the better option.
thanks
richard
Get it spray-foamed. You can probably take an energy credit (if I
understand the IRS page correctly), and you can depreciate it on your
taxes (schedule E) as a substantial improvement.
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