roof repair

Old 03-29-03, 03:04 PM
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Question roof repair

Is there any reason I can't put shingle roofing right over roll roofing? The roll roofing was put on 5 yrs ago but it is waving across the roof, therefore causing water to puddle. The plywood was also replaced at the same time. HELP
Old 03-29-03, 04:21 PM
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You kind of stated the answer to your question. Because the roof is wavey. You need to pull your rolled roofing. Even though
you put new sub roofing down some time back does not mean it is still good. Make sure your sub roofing is 5/8 in thickness, otherwise it will warp between your rafters or trusses.
Old 03-29-03, 09:47 PM
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Another important question here is what is the roof pitch, ie why did the do roll roofing which is usually only used on low pitch roofs. If too low you can't use shingles.

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