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Preventing Sticker Stain
Question
Forum Responses
From contributor M: I air dry all my lumber using 3/4" stickers, but I wouldn't use wet fresh sawn ones on anything. Mold will start almost as soon as it's stacked, and will probably go so deep that it can't plane it out. From contributor G: You might want to consider using pvc pipe cut in half. It increases air flow because of the groove, and less surface contact. Also it lasts a long time. From contributor D: To contributor G: What size pvc do you rip down? From contributor G: I used 1 1/2 inch pvc. I made a jig to run it through my tablesaw. That was a board clamped on opposite the fence. From Gene Wengert, forum technical advisor: Split pvc is ok for small loads, but for higher loads (with many layers), you will easily get indentation. In general, pvc pipe is not suggested, except for a few special cases. From contributor T: The original questioner said, "We plan on air drying through the summer and then kiln drying during the winter." I think that is backwards. I would suggest kiln-drying in the summer because mould grows fast in the summer heat and humidity. A stack will sticker stain in less than a week in summer. I have a stand up shed where I stand freshly sawn boards on end that are held in slots at the top for the purpose of pre-drying the lumber before stickering it. I never have a problem with sticker staining. I usually leave the wood in the pre-drying shed for about two weeks before stacking. Wood will not warp until the moisture content gets below about 35% unless the wood came from a bad place, and that kind of wood will warp no matter what is done with it.
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