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Doing a re-roof, need advice......

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07-23-09, 10:14 AM

grantiman

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Doing a re-roof, need advice......

I have one layer of 3 in 1 shingles on my home now and want to put GAF architectural shingles over it. Do I have to put new drip edge over the 3 in 1's that are on the roof now, or just bring my new shingles to the end of the old ones? Do I need ice shield over the old shingles then run my started strips, or can I just run started strips over the old shingles? Thanks.....

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07-25-09, 05:47 PM

Rob_C

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I'm not a roofer, but I have to ask: Why not tear off the old roof? If you're spending the money and time on new shingles, why not take the extra time to remove the old one?

It'll give you a clean start, and will give you a chance to identify any problem areas on your roof. Take your time, do a nice job.

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