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RE: Roof Plywood and Rain

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I agree with what the others have said about the plywood strength.  

But you also need to look lower, because the roof probably leaked.  Are the
roof rafters/joists rated for exterior exposure?  Is there an elevated
floor, and if so, was the floor decking CDX?

Jason Kilgore
Leigh & O'Kane, LLC
Kansas City, Missouri

> -----Original Message-----
> From: Joseph Harouni [mailto:jharouni(--nospam--at)]
> Sent: Monday, May 24, 2004 8:26 PM
> To: seaint(--nospam--at)
> Subject: Roof Plywood and Rain
> Hi,
> A two story wood building that I had design was stopped during the
> rainy season in Los Angeles due to lack of funding. The roof did not
> have any roofing material applied to, diaphragm is 5/8" plywood CDX and
> has been exposed to rain; the color of plywood has turned dark gray
> with out any de-lamination or bubbles, the nail heads are rusty and
> roof is being supported by LP Truss Joists. Has plywood and its nailing
> lost any capacity; any one has any suggestion how to approach this
> issue?
> Thanks,
> Joseph Harouni

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