Reply by Trucker

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Posted on Preventing Warping in Humidity Changes?

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20 posts in 1318 days

#1 posted 07-21-2015 06:02 PM

You might consider locating a moderately sized furniture maker, the one I often use for maple, walnut and mahogany has their supply cooking in an air-conditioned warehouse, everything I bought so far is about 15% MC. The thinner your end product is the less it will shrink and or warp, the straighter the grain is before and after milling the less it ll warp, flat sawn lumber is a basket case waiting to snap, rift sawn not so much.

This may sound counter intuitive, but maybe you should consider buying enough stock to allow for curing over an extended period, have a dehumidifier running, mine runs 24/7 April till the average temps drop below 45°

- Ghidrah

Any recommendation on a dehumidifier model/size? I have a standard two-car garage with a ~18-foot ceiling. Also, I took a look around my garage yesterday and it looks like it is pretty well sealed. The doors have rubber flashing all the way around them (I’m sure that it’s not the greatest seal, but not really any light coming through, so hopefully that means not really any air either), I insulated the walls and put drywall up a while back, and the ceiling is finished.

I’m receiving a humidity monitor today, so I will be able to determine the differences in RH between indoors and the garage, but ambient humidity this time of year is typically 50-60% during the day.

Has anyone else done anything like this?

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