Re-roofing An Old Roof Over Original Plywood - Roofing/Siding - DIY Home Improvement | DIYChatroom

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Old 10-05-2012, 09:00 AM   #1
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re-roofing an old roof over original plywood

I've heard that GAF shingles aren't reliable but that Owens Corning is the best. Is that true? What about Certainteed or other brands?


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Old 10-05-2012, 01:06 PM   #2
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That same type of question is asked on about every diy,roofing and home improvement site on the internet.Probably 5 times per week.Check a few pages of threads for your answer.

Personally I prefer Certainteed.But that's just me.


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Old 10-05-2012, 01:10 PM   #3
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+1 on both accounts.
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Old 10-05-2012, 03:49 PM   #4
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since you are ripping off everything and starting anew, it might be a good time to inspect and possibly replace any rotted roofing deck or plywood.

just make sure that you understand and negotiate how much it would cost, should this be necessary.

i completely neglected this part, thinking my roofing deck was in good shape, so I ended up paying approx. $1,000 extra (materials alone would have cost $300).

good luck
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Old 10-05-2012, 08:14 PM   #5
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gafelk is no good, not even good for a dog house, they removed granules from a very important part of the shingle to cut weight and cost

owens corning better but not the greatest, they now have spots in the tar which is a step in the right direction, the fabric strip on the durations is horrible, the quality over last years durations is a lot worse.

landmark by certainteed top notch, my choice
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