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Old 02-26-2011, 07:34 PM   #1
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applegate rfoam and wiring


so maryland/local utilities have teamed up to let me write off 50% of insulation costs, and it sounds like this applegate rfoam is the best thing since sliced bread. Has anyone used it? it's some expansive low expansion foam that apparently can turn a studded 2x4 space into R16, which sounds nice.

my concern is that I have original wire in the wall for electrical, it's BX with 2 pair romex inside. so I've been used the metal shielding as the ground, and it works. I just know that the applegate foam will make it hard to run wire (impossible), but it's in great condition so should I not worry?

thoughts/experience with the applegate rfoam or other options?

any comments much appreciated. Thanks

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Old 02-26-2011, 11:02 PM   #2
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applegate rfoam and wiring


This will help you understand SPF more; http://www.earthane.com/ctu32e.pdf Be sure to read the “Practical recommendations” concerning plywood and OSB.
Building Science has info regarding drainage planes with it also; http://www.buildingscience.com/docum...d%20in%20walls

A bit on “thermal drift”; http://www.kwikbuildpanels.com/pages/article_facts.html

I’ll move your post to “Electrical” for the wiring concerns.

Gary

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