But you will probably get 4-5 years out of it.

I disagree, if you keep your racks inside a climate controlled house, keep them clean, and seal all raw edges you can get 15 plus years out of them. I personally have one that is 15 and about every couple of years or so, I will flip the shelves. I have no problems with swelling. Remember you can leave a 1/16 inch gap minimum between tub and shelf. More if you plan to keep adults in them. Also remember when the ambient humidity drops the shelves will shrink. So if you build the rack in a humid enviroment and move it into a controlled enviroment the gaps will change.

I think all rack systems built can last a very long time if the keeper takes care of them. I personally built all my new melamine racks out of 1/2 in melamine. So far this year no swelling and tubs sticking. I have some I built last fall and no change. I also haven't sealed all edges either, and I live in FL where it's really humid.

Just my experiences.
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Jimmy Tintle

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