Beispieldaten-Modus. Die gezeigten Beispielfirmen, Angebote und Anfragen sind fiktiv (KI-Bilder) und zählen nicht in die Statistik unten.
Log quality, natural defects and storage
Log grading · Intermediate
How knots, reaction wood, juvenile wood, shake and red heart affect log value; how logs are measured and graded; and how moisture, temperature and time drive stain and decay in storage. Includes worked calculations with regional figures.
This course was drafted with AI assistance and has not yet been reviewed by an expert. Check important figures against a standard or your contract.
- 1. Why natural defects decide log value, and how knots work 12 min
- 2. Reaction wood and grain deviations 12 min
- 3. Juvenile wood, growth rate and stiffness 12 min
- 4. Shake, pith, red heart and other log-end features 12 min
- 5. Measuring log volume: formulas, stacks and scaling rules 13 min
- 6. Grading logs: letter classes, standards and veneer-log scaling 13 min
- 7. What stains and rots stored wood: moisture, temperature and time 12 min
- 8. Log storage methods, costs and a yard decision checklist 13 min
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