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Why treat wood?
To give it extended service life
How is wood treated?
Preservative chemicals are added which are antagonistic to wood destroying agencies (beetles, fungi etc.)
What treatment is appropriate?
Depends on hazard classification (where timber used, what wood destroying agents it will be exposed to etc.)
Significant treatment types:
CCA – Copper Chrome Arsenic (heavy duty, light green) TBTO - Tributylin Oxide (light duty, colourless)
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