1 Packages can be up to 165 inches (419 cm) in length and girth combined. 2  Packages can be up to 108 inches (270 cm) in length.  Packages with a large size-to-weight ratio require special pricing and dimensional weight calculations.
Quick Answer. Latex, or water-based paint, may take up to 30 days to fully cure. Fresh latex paint should be allowed to cure for at least 14 days before wiping or washing to prevent damage to the paint finish. Continue Reading.
Drying and Curing Times. Most latex paints feel dry within an hour or less after application in a room-temperature environment; you can typically apply a subsequent coat of paint in about four hours. In ideal conditions, latex paint takes about two weeks to cure to the point that you can wash it. In less-than-ideal conditions, some paints may take up to 30 days to cure fully. Humidity, ventilation and temperature all affect the time that latex paint takes to dry and cure.