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One Gifford Pinchot Drive
Madison, WI 53726-2398
Phone: (608) 231-9200
Fax: (608) 231-9592


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Title: Standardization of Naturally Durable Wood Species

Source: American Wood Protection Association

Author(s)Morris, Paul; Laks, Peter; Lebow, Stan

Publication Year: 2011  View PDF »

Category: Conference Proceedings
Associated Research Project(s):   FPL-4723-3

Abstract: Although conventional North American durable wood species such as cedar and redwood continue to be widely used, there is increasing interest in the use of imported durable wood species. In contrast to native wood species or pressuretreated wood, there is often little data to document the durability of these imported species, and there currently is not an association or standard setting body that lists appropriate applications for naturally durable species. The American Wood Protection Association is currently considering the possibility of incorporating naturally durable species within the Book of Standards. Task forces formed in subcommittees P-1, P-6, P-9 and T-1 have made some progress in outlining an approach for listing naturally durable species. The process for obtaining a listing for a new wood species would be similar to that of a new wood preservative, with presentation of durability data, provisions for analytical methods if possible, and development of quality assurance procedures. Species such as western redcedar and redwood, which are currently listed for durable applications in the building codes, could be incorporated into the standards with minimal additional durability data requirements. It is anticipated that the naturally durable species would be listed in a commodity standard (or standards) that is separate from preservative-treated wood. However, the task forces also determined that listing of naturally durable wood species would present unique challenges and require a substantial time commitment from members of the association. There is now a need for more awareness and input on this issue from a broader range of AWPA members. The purpose of this paper is to better acquaint association members with the status of efforts to standardize naturally durable species, and to solicit input on the value of this effort to AWPA.

Keywords: naturally durable species; standarization; evaluation; quality control; challenges

Publication Review Process: Non-Refereed (Other)

File size: 207 kb(s)

Date posted: 04/25/2012
RITS Product ID: 41933
Current FPL Scientist associated with this product
Lebow, Stan T.
Research Forest Products Technologist

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