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soundslikemold t1_ja49uul wrote

I'm fairly sure he means OSB and it is fine. Depending on the OSB used (Advantech or Legacy) it is at least equal or better then some of the plywood you get today. Not to say that ignoring a contract is ok, but people in here are acting like they put up chip board from Ikea furniture.

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Cunninghams_right t1_ja4bgmd wrote

they probably do mean OSB, but OSB is NOT equivalent to plywood, especially not in this application.

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DoNotWeepAtMyGrave t1_ja5ccpv wrote

OSB is approved for flooring and siding, NOT roofing. If it gets wet at all, it’s trashed. Plywood should be used in any situation where they might be water intrusion.

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