Mark,

Since I was finishing my basement this winter I had quite a bit of dimensional lumber that I thought I could burn in my wood stove. Before I did I searched the web for opinions on whether this was a good idea.

Turns out that lumber is usually brought to market by floating it in water, quite often salt water, then in the mills the wood and or saws are coated with lubricants so the wood can be cut without dulling the saw too quickly.

The end result was that enough of these contaminents are in dimensional lumber so that burning it in a stove will corrode a stainless steel flu liner so much that it will be unsafe in a short period of time.

If that is the case for dimensional lumber, I would imagine that the sawdust that is used for pellets, is even more impregnated with these lubricants and salts than dimensional lumber. Whether or not these can harm you is anyones guess !

Dennis

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