Burning Pine

**Simple** · 8th July 2003, 03:59 PM

I purchase bulk lengths of house framing pine from bunnings for the toys that I make and am collecting a heap of unusable off cuts that I have been putting aside for the inside fireplace.

Quite often, the knots in the timber is still green.

I am unsure of any potential hazards in burning this material. Particularly for home heating.

Could someone please enlighten me with any dangers/health concerns?

Simon M. :confused:

**Sir Stinkalot** · 8th July 2003, 04:09 PM

I burn the offcuts from the garage with no problem at all .... obviously make sure that you aren't burning any timber that has had a chemical treatment such as treated pine. I would have thought that a green knot just wouldn't burn as well as it was wet ... it would just produce more smoke ... but hey I could be wrong.

Sir Stinklaot

**journeyman Mick** · 8th July 2003, 10:22 PM

I think you'll find that nearly all framing is treated nowadays, if not CCA (greenish tinge, Copper Chromic Arsenate) then LOSP (pinkish tinge or no colour at all, Liquid Organic Solvent Preservative). The vast majority of hardwood is treated as well, if not with the two aforementioned then with boric acid. Any timber sold in Australia that is susceptible to Lyctus Beetle (powder post borer) must be treated or the supplier must provide a written statement (which I think the purchaser needs to sign) saying that the timber is Lyctus susceptible and not treated. I'm not sure of the specifics but I'm sure none of it is going to be good for your health. The other thing to watch out for if you are burning a lot of pine in a fireplace is the build up of tar in the chimney. This can build up to the point where you can have a serious fire in the flue, with serious consequences for the house, especially in a metal flue. Be careful

Mick

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