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Re: [SEAOC] Re: Substitution of OSB for plywood sheathing

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In a message dated 96-03-07 13:42:54 EST, you write:

>After evaluating around a hundred or so homes with OSB sheathing whos roofs
>failed after hurricane Andrew, I would not consider using it as roof
>sheathing. Wall sheathing mabey, but never for a roof.

Why, John?

Did it *all* fail? Or just certain types of installations or grades? Was it
from a controlled manufacturing process? There are a bunch of questions to
answer before sweeping generalizations are made. 

Mark Deardorff, SE
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