All unfinished wood products are completely unprotected from damage caused by warping of the wood and splitting from the end-grain.
This warping and splitting is very likely to occur with swings in relative humidity or temperature on any unfinished wood products.
Here are a few tips on how to minimize or prevent these problems when the wood products cannot be properly finished upon delivery.
As soon as possible after delivery, place your new cabinet doors in a temperature controlled space away from direct sunlight.
Make sure that air can circulate all around each door. If the doors are stacked one on top of the other, air will only circulate over the exposed surface of the top door which will allow moisture gain or loss only from that exposed surface. This will cause a moisture mismatch between the face and back of that door, and cause it to warp. If the humidity change is large, end-grain cracking is also likely to occur.
It’s best to avoid stacking the unfinished doors and instead, stand them up and lean them against another surface allowing air to circulate freely around the front and back of each door. This will allow the same level of humidity on both front and back of each door and warping will be prevented.
These precautions will minimize warping problems for a few days but for longer term protection proper sealing and finishing will be necessary.
Some cabinet door finishing tips are available at the CabinetDoors.Com blog.
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