At the end of September or the beginning of October we had our front door painted which is a six panel wood door. After a few days a white residue showed up and the paint rep came out to take a look at it. they applied warm soap and water to the door. By then the days were cooler and we have experienced so e freezing nights.. The residue returned, but now is accompanied by a nasty vertical crack in one panel, which goes completely through the door. There may also be another developing, as the