Winter can be harsh on leftover paint. Many homeowners store paint in the garage or shed without realizing those cold temperatures can ruin it. Why Cold Temperatures Are a Problem Latex paint is mostly water. When the temperature drops to freezing, the water inside begins to separate from the rest of the contents in the can. Once that happens, the paint may not mix back together the right way. Oil-based paint handles cold weather a...

Paint absolutely can freeze, and winter makes it more likely than people think. Latex Paint Freezes Easily Because latex paint contains a high amount of water, it starts freezing around 32°F. Once that happens, the paint can separate and lose its smooth, even finish. Oil-Based Paint Is Not Freeze-Proof Oil-based paint freezes at a lower temperature, but it can still thicken and lose quality in the cold. If the texture changes permanently, the paint won’t...