Originally Posted by topmoo

You can use Accoya, a wood that will not move and will outlast most of us. It is guaranteed for 50 years of exterior use and is non toxic. It is acetylated wood modification, which is a process that was actually invented many years ago but was too expensive to make it practical. Now it is being made and is much more reasonable. It is hard to find, but in the northwest I have heard that Lowes sells a brand of acetylated wood (not called Accoya). I can get it here in Houston and have been using it on anything I make for outdoors and for a substrate that virtually will not expand or contract. I am going to use it when I do the next woodie, whether it is my truck or a clients. I will also use it for my bed. It really doesn't even need a finish, but I will oil it. Here is a picture of a Japanese soaking tub that I made for a client. It is made of 6/4 Accoya and he has filled it many times with hot water and soaked - sometimes with a girlfriend. No pics of her.