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Old 04-26-2014, 11:32 AM   #1
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open cell foam insulation thickness


Im considering building a new home with spray foam insulation. Im putting 2 x 6s in exterior walls. Builders recommend 3 1/2 inches of foam in walls. Is that enough ? I know its expensive but is it too much to fill up the walls? How much should be sprayed in the raftors? In Texas so the heat is rough and i want a well insulated home..

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Old 04-26-2014, 11:47 AM   #2
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open cell foam insulation thickness


Gary well be along in a while to answer your question.

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Old 04-27-2014, 06:53 AM   #3
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open cell foam insulation thickness


Ha!

We need to call the "The Linksman"

I would encourage you to read up on foam and figure out if you really need it as well as get considerably strong language in the contract that allows for corrections if installed wrong.

I would prefer to see rigid foam incorporated to the design as if possible and skip the spray foam.

Code is code regardless of what you contractor says and that is what determine the insulation thickness requirements.
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