Structurally insulated panels for roofs

Old 07-03-09, 12:02 PM
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Structurally insulated panels for roofs

Any one here has used or experience with Structurally insulated panels for roofs? I am thinking of using in my patio roof

Old 07-05-09, 12:24 PM
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I had them installed on a log home back in the 80's, and they worked great! Mine consisted of 5/8" T&G 4" oc plywood, aluminum foil, 4" styrofoam, aluminum foil, 7/16" OSB, all glued together under pressure and installed in 4x8 sheets over the beam framing for the roof, and pinned with 9" spiral nails into the rafter/beams. All was exposed from the underside, so the T&G was actually the ceiling of the upstairs rooms with exposed beams. It was a great thermal transfer device, as the rooms stayed fairly cool during the day, but as the outside heat transferred into the room at night, there was a little warmth, and it cycled like that daily.
This may not be what you want for your patio, as they weighed in at 125 lbs each.

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