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Western Woods Product Association The WWPA represents softwood lumber manufacturers in the 12 western states and Alaska. Supported by Western lumber manufacturers, WWPA delivers lumber grading, quality control, technical, business info and product support services to mills. |
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Related Links |
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Here are some links that you might find helpful: |
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American Wood Protection Association The AWPA is a non-profit org which is responsible for promulgating voluntary wood preservation standards. These standards are universally specified for wood preservation in the USA and are recognized worldwide. |
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California Redwood Association This website contains grading information on redwood. |
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APA—The Engineered Wood Association Information on engineered wood products. This site contains over 500 publications providing detailed technical information for architects, builders, code officials, engineers, specifiers, and others in the trade. |
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This site contains useful information on engineered wood products such as GluLam Beams, I-Joists, OSB, Plywood, Rim Board, Siding, and other specialty wood products. |
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West Coast Lumber Inspection Bureau The WCLIB is a national organization that writes lumber grading rules. This site contains publications containing information on the different lumber grades, as well as a maximum span calculater for joists and rafters. |
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Ph: 510-793-3838 | Fax: 510-793-7265 | Email: sales@osbornelumber.com |
