How do you harden leftover paint?
Moreover, how long does it take for a can of paint to dry out?
Type of Paint Latex paint - dry to the touch in about 1 hour, and you can safely recoat in 4 hours. However, the labels on all paint cans specify the dry and recoat times for that particular paint, so be sure to read the manufacturer's directions for exact times.
Similarly, it is asked, how long does it take for kitty litter to dry up paint?
about 10 minutes
Solvent-based paints have a 15-year shelf life. If you can stir it, it's probably okay to use (even if you have to remove the “skin” on the surface first). Latex has a shelf life of 10 years. If there are lumps, the paint is no longer good.