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Wood durability, preservation and modification
Wood species · Intermediate
Why wood decays, how natural durability and EN use classes work, what preservative treatment and modification (thermal, acetylation, furfurylation) do, and how fire behaviour fits in, with a decision path for sawmills.
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- 1. Why wood decays: food, moisture, oxygen and temperature 10 min
- 2. Rot, stain, mould and insects: telling damage apart 10 min
- 3. Natural durability: heartwood, extractives and durability classes 10 min
- 4. Use classes: matching the material to the exposure 10 min
- 5. Preservative treatment: processes, penetration and species treatability 12 min
- 6. Wood modification: thermal, chemical and densification routes 12 min
- 7. Fire behaviour: charring, ignition and reaction-to-fire classes 10 min
- 8. Choosing a route: a decision path, quality control and limits 12 min
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