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Fire Damaged Plywood

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You might check with Dr. Robert White or Dr. Robert Ross at the USDA Forest Products Lab or the APA helpdesk.


Here’s a link to a few more resources:






John "Buddy" Showalter, P.E.
Vice President, Technology Transfer


American Wood Council

803 Sycolin Road, Suite 201

Leesburg, VA 20175





The American Wood Council (AWC) develops internationally recognized standards for wood design and construction. Its efforts with building codes and standards, engineering and research, and technology transfer ensure proper application for traditional and engineered wood products.

The guidance provided herein is not a formal interpretation of any AF&PA/AWC standard.  Interpretations of AF&PA/AWC standards are only available through a formal process outlined in
AF&PA's standards development procedures.




From: "Joe Venuti" <jovenengr(--nospam--at)>

To: <seaint(--nospam--at)>

Subject: Fire Damaged Plywood



Hello All




Does anyone have any info or now where I can find any info on Fire = damaged Plywood?=20




I have a ridge beam constructed of 2 sheets of 5ply =BD=94 plywood that = is 35=94 deep I think it spans 30=94. But it does have interior walls so I am not = sure right now.




I have about 6 areas where there is charring through the outer ply only.

The areas are 22=94 x15=94 in size at the top of the beam. (From the top = down).




Any help would be appreciated.






Joe Venuti,  P.E.


Joven Engineering


La Quinta,  CA


760 408-6441