The Marley Difference – Redwood Lumber Grades
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The Marley Difference - Redwood Lumber Grades
White PapersWhile both appearance and structural grades of redwood lumber are defined by appearance or visual characteristics, they have very different applications. For cooling towers and other structural applications, grading rules for structural grades of redwood establish requirements for strength characteristics such as slope of grain, knot size and frequency, and rate of growth.
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