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New roof install - plywood question

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September 11, 2018 at 12:20 pm

safetyfirst

I just had a new roof installed and I noticed this oddity when the crew was doing the work. It looks like the plywood in the circled area is bowed and I can see obvious space between that and adjacent pieces of plywood. This piece of plywood was not replaced. I talked to the contractor and he said he is not concerned about this. Should I be concerned? He has offered to re-do this part of the roof, but said it will be "intrusive" and does not recommend it. Any suggestions?

 

IMG_1515 (1)_marked

September 14, 2018 at 6:48 pm

Alba

the plywood is supposed to lay flat with a 1/8" space between the sheets.

November 16, 2018 at 8:34 am

Corey1

IF the sheet is only spanning two rafters fix it the right way with a sheet of plywood that spans at least three rafters. Otherwise you could simply put a couple 2x4 or 2x6 under it for a little extra support. Chances are that there may have been some moisture that got in from the skylight causing a little warpage.

November 27, 2018 at 11:38 pm

TucsonRubberizedCoatings

Yes, you need to concerned if you think that the issue is not resolved. You can talk to other roofing contractors about the problem for better advice.

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