Tanalised Timber

Wooden products are often tanalised - impregnated under pressure with highly toxic substances such as arsenic - to protect against rot. Look for a pale green stain soaked into the outer layer, typically on roughly sawn softwood which otherwise wouldn't last any time at all outside in the wet. Although we can't advise against buying such products because in reality there are very few alternatives within the price range of most people. Due to the toxins it is advised that you don't burn tanalised timber!

Burning tanalised wood releases arsenic, a cumulative poison, into your immediate atmosphere.

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