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Summary of preservatives, treatment recommendations, use, handling and finishing tips for preservative treated glulam beams. Available as a PDF document only. Revised July 2013.
During 2016, the American Wood Protection Association (AWPA) is revising the U1 standard for preservative-treated wood. This paper clarifies the timing and key issues specifically related to structural glued laminated timber (glulam). Revised July 19, 2016, 2 pages.