Grading timber

Timber Grading
Timber Grading: Visual Grading Limitations
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Visual grading standards might be used for in-situ assessments or for grading timber from unusual sources, like minor species or post-consumer wood. There are limitations to using visual grading standards for such purposes.
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Timber strength and spans
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Understand the importance of timber grading, how it is done and how the supplier's stamp should look like.
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