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Best way to preserve freshly cut boards for outdoor use1/12
I read on one of the forum from a sawyer who was dipping his boards in a solution of... (what?). While that board was soaking the previous one was dripping on a support above the bath solution and he was cutting the next board. The boards were then moved up one step in the chain.
If you will sell lumber that has been treated for long term preservation, you will need to be licensed and there are many rules and regulations.
However, the process you describe is an older technique for providing short term protection from blue stain fungi and some insects before and during drying. It is no longer suitable do to the dripping after it leaves the initial tank
I've gotten a local pressure treatment plant to treat a bundle for me. I thought the price was very reasonable, and much easier and better than anything I could have done on my own.
All they required was that it be stacked dead a certain way, after it had been air dried for about a month.
A time long past I cut bevel siding and nail it green to wall; At the time I considered a stain dunk tank. I had read of this here on the Woodweb. In part this is it.
" As for ensuring long life of the siding, I prefer the method Larry Haun (contributing writer to Fine Homebuilding) uses with wood siding. He builds a site-built dunk tank out of plywood, 2X's and 4 mil plastic sheeting. He fills the tank with good quality (the key is always the quality of the finish) stain and dunks the pre-cut boards in. After dunking they are placed on a rack above the tank to drip-dry, then straight onto the building. This creates a virtual seal on the board, increasing the stain penetration, as well as reducing the finishing time (I think we all have spent too much time up a ladder). - See more at: http://www.woodweb.com/knowledge_base/Cutting_and_drying_beveled_siding.html#sthas
Yes ! That was the post I remembered ! But in my mind it had been about wood preservative, I forgot it was about staining, so when searching back for it I was using the wrong keywords !
Type in your browser or search engine the following:
“Construction of a dip tank for finishing wood siding or decking”
This is from the Forrest Product Lab site. wwwfpl.fs.fed.us
This may be of help for a few seeking info. They also have a site of the different chemical treatments to preserves wood product.