Grading rules for logs in Germany - RVR, 2015
Sawlog
Quality A: sawlogs of excellent quality. It is without any defects and has just non relevant quality characteristics, which do not have any effect on the usage
Quality B: sawlogs of ordinary quality with a few or little quality characteristics
Quality C: sawlogs or ordinary quality with more severy and-or increased quality characteristics
Quality D: sawlogs, which does not belong in the classes A, B or C according their characteristics but is still usable as sawlog
Industry Log
Quality N: normal wood: healthy, no bigger branches, no strong bending
Quality F: defective wood: slightly fractured, big branches, bended
Quality K: off color wood: heavily fractured, still usable for economical purposes
RVR Grading Rules (.pdf)
Quality A: sawlogs of excellent quality. It is without any defects and has just non relevant quality characteristics, which do not have any effect on the usage
Quality B: sawlogs of ordinary quality with a few or little quality characteristics
Quality C: sawlogs or ordinary quality with more severy and-or increased quality characteristics
Quality D: sawlogs, which does not belong in the classes A, B or C according their characteristics but is still usable as sawlog
Industry Log
Quality N: normal wood: healthy, no bigger branches, no strong bending
Quality F: defective wood: slightly fractured, big branches, bended
Quality K: off color wood: heavily fractured, still usable for economical purposes
RVR Grading Rules (.pdf)
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