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Roofing Insulation

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Guest User
9/2/2009
We have a house with no atic. The rafters are the ceiling for the house with shingles on top of the rafters. We had about 4 trees drop (either whole trees or tree limbs)on the house so we had the trees removed, which was a big mistake because the temperture in the summer increased inside by about 10 degrees. Ideas that we had: 4-3 inch styrofoam sheets on top of shingles then add a white reflective metal roof and add a large fan to circulate air. Does anyone have any suggestions? Are the syrofoam sheets ok?
Todd Miller
Isaiah Industries, Inc.
9/3/2009
This will help and, if you do not have any condensation issues now, I do not believe this will create any. However, if you could add a vented airspace to your assembly, it would be very helpful at protecting against condensation problems as well as at carrying away excessive heat.
Guest User
9/3/2009
Janet, Check out ISO board if you are trying to gain R value. Polyisocyanurate has a much better R value but also comes at a much steeper price, but well worth it when things are done right. Mathews Roofing Texas
Guest User
9/4/2009
Todd, Thanks very much for your response. How would we create a vented airspace? Elevate the styrofoam on a 2 inch strip? Thanks again, Janet
Guest User
9/4/2009
Wade, Thanks very much for your response. I will check out the ISO baord. Thanks again, Janet
Aaron Scurlock
The Best in Polymer Roofing Soutions
9/24/2009
If you're willing to do all of that, you might also consider tearing off the roofing down to the rafters and insulating with spray polyurethane foam.
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