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Old 07-29-2008, 02:27 PM   #1
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Styrofoam insulation

I wonder if it would be a good idea to use styrofoam insulation for the roof and walls instead of fiberglass. Could anybody shed light on it?


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Old 07-29-2008, 03:04 PM   #2
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Styrofoam insulation

Spray-on expanding foam insulation is very effective. The most common brand that I know of is Icynene. Plan on spending big bucks for it up front, but it is much better than conventional batt or blown insulation, so eventually you'll offset the savings in energy costs. It is not a DIY product.

EPS foamboard is not a good product for use in walls or attics. It can't be left exposed in the attic, and is best used where intended...Below grade or as an insulative sheathing material.


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Old 07-29-2008, 04:56 PM   #3
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Styrofoam insulation

FYI Icynene has zero off-gas after it's cured.
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