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To: koan who wrote (12441)6/1/2006 12:06:52 AM
From: E. Charters  Read Replies (1) | Respond to of 78416
 
If you keep wood wet, it will not rot. It is where it comes into contact with soil or dries out cyclically that it start to deteriorate. In flooded mines or with logs buried in lakes wood that is totally soaked is in fine condition 100 years later. The nails are gone in the ladders, but all the timber is aok. That is why they drip water down the mineshaft, to keep the bearer timber sets wet and rot away from them. In dry mines as in NM/Texas/Az/Nevada, the wood is always useless.

Now I don't know about decks. Poplar is used in barns as it lasts a long time. I would use concrete posts and wooden decks. A cedar roof that has natural air circulation will last 100 years in rainy country. Not so an asphalt roof.

I would think copper/lead paint would keep wood from rotting as it would be toxic to the fungus. Maybe not so good for the water table.