Definitely seal the new doors. This will protect your daughter but also keep the door from warping.
Look into water borne wood products at your local wood working store/lumber yard or on line.
- Make sure the sealer has less then 350 grams per liter of VOC's.
- If you are uncertain of the VOC content you should be able to find a MSDS report (manufactures safety data sheet)online or request from the sales staff the where it will state the amount of VOC in grams per liter.
For more information:
Read our backgrounder "Selecting Healthy and Environmentally Sound Clear Wood Finishes".