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I’m planning to add a screened porch to my house. However, because of the second floor windows, I will only be able to put about a 1/12 pitch on the roof. One roofing supplier recommended a rubber membrane go down under the 3-tabs. It seals around the roofing nails. Another supplier recommended not using 3-tabs, but glue down a rubber roof that’s granulated to look somewhat like asphalt shingles. I live in the SE, so snow or ice dams are not a problem. Any other opinions for such a flat roof?
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It isn't recommended, but I've done several using the ice and water shield on the entire deck with three tab shingles. Flash it carefully where it hits the house.
*check this out.... 1/12 pitch up.......http://webx.taunton.com/WebX?50@@.eebd378/13
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I'm planning to add a screened porch to my house. However, because of the second floor windows, I will only be able to put about a 1/12 pitch on the roof. One roofing supplier recommended a rubber membrane go down under the 3-tabs. It seals around the roofing nails. Another supplier recommended not using 3-tabs, but glue down a rubber roof that's granulated to look somewhat like asphalt shingles. I live in the SE, so snow or ice dams are not a problem. Any other opinions for such a flat roof?