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Re: Plywood Shear wall

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Tom
It's been 15 years since my last encounter with water/OSB issues. Has this aspect been improved significantly?
Chuck Utzman

Tom Skaggs wrote:
I've had a busy morning, and see there are several responses that I'd like to correct.  Let me handle the original question.





-----Original Message-----
From: Tim Rudolph [mailto:timrudolph(--nospam--at)att.net] Sent: Wednesday, April 15, 2009 19:54
To: seaint(--nospam--at)seaint.org
Subject: Plywood Shear wall

Hi,
I have designed an addition to my local volunteer fire department building. It is an essential facility - I called for 5 ply Structural 1 plywood for the shear walls and plywood for the roof diaphragm. The contractor would like to substitute OSB for the plywood(OSB is cheaper). In custom homes and commercial buildings it has not been a problem to allow the change. But with the Essential Facility Structure is plywood what should be used over OSB?

Or rephrased what would OSHPOD want- in a hospital building?

I know about OSB and a slightly different /stiffer interaction at the wood nail interface

Thanks,
Tim Rudolph PE
Bishop CA

Hanging out in Digest mode

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