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Old 05-09-2008, 05:00 PM
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Jerry Peck Jerry Peck is online now
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Location: Ormond Beach, Florida
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Re: OSB on top of cedar shake roof
Quote:
Originally Posted by Richard Moore View Post
Jerry, I don't know how often you would see a skip-sheathing roof re-decked down there, and your local codes may be different in hurricane country.

Richard,

They used to install wood shakes and wood shingles down there (in South Florida) on spaced sheathing, until Hurricane Andrew came along and twisted everything apart which was not thoroughly rigid enough to transfer loads to the walls and foundations (and some that were).

After that, the only sheathing allowed was structural panel - OSB or plywood, 5/8" minimum.

And, and roof which had spaced sheathing for which the roof covering was replaced had to have the spaced sheathing removed and re-sheathed with those structural panels.

Guess my bias of wanting the roof structures to stay intact during windy conditions sticks with me.

Maybe Brandon, resident PE, can add some more insight?
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