Grading rules for logs in Germany - RVR, 2015


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)

Since we are constantly updating and expanding this area, please feel free to contribute. If you look for a norm which is missing, please contact us:

Phone: +32 2533 04 94