I have a balcony off the master bedroom that is essentially a flat roof over a portion of the garage. Over the years there have been leaks and I have had to patch the OSB. It has gotten worse and I need to find a solution. Question, can I lay pressure treated plywood over the old OSB instead of removing all of it. EPDM rubber roofing will go over the area when finished. Raising the height will not be an issue. Picture attached. Thanks
That roof was already built to close to the threshold, basic building 101 mistake.
A sure way to have water getting in under it.
It would be interesting to remove that door and see if it even was flashed correctly.
Most often when I find one set like that there's rot under the door in at least the subfloor.
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