Absolutely, even better if you have it painted as well. Thankfully, MDF is a relatively cheap material. If, against all odds, it rots in about 10 years, it's just a matter of replacing it as they say. Go for it! 

Sounds good. I realized it might be used in bathroom ceilings, so moisture shouldn't be a problem then, and it should be okay with temperature differences.Vedspisen said:
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