Can Paint Freeze? Here’s What You Need to Know

If you’ve left paint in a garage or shed over the winter, you might be wondering if it’s still usable after freezing. Here’s everything you need to know about why paint freezes and how to handle it.

Can Paint Freeze?

Yes, paint can freeze. The effect it has on your paint depends on the type—latex (water-based) and oil-based paints react differently to cold.

• Latex Paints: Contain water and are vulnerable to freezing at or below 32ºF.
• Oil-based Paints: Contain alkyd resins and petroleum, and are very unlikely to freeze unless exposed to extreme cold (like in very cold climates).

At What Temperature Does Paint Freeze?

• Water-based paints freeze at or below 32ºF, though the freezing point can vary slightly depending on the ingredients.
• Oil-based paints can withstand freezing temperatures without freezing, even in colder environments.

Does Paint Get Ruined If It Freezes?

Yes, freezing typically ruins paint. When water-based paint freezes, its texture and consistency are damaged, and it won’t work as well once thawed. It may become clumpy and uneven, similar to frozen milk turning watery when thawed. Additionally, multiple freeze-thaw cycles further degrade the paint.

How to Keep Paint from Freezing

• Store inside: Ideally, store paint in a temperature-controlled room, such as a basement or closet.
• Seal lids properly: Ensure the lids are tightly sealed to prevent evaporation.
• Avoid garages or sheds unless they are heated.

Can You Use Paint That Has Frozen?

While most frozen paint will be ruined, you can try using it if it looks normal after thawing. Let it warm to room temperature and stir well. If it has clumps (like cottage cheese), it’s unusable. Even if it seems okay, the color and performance may be compromised.

FAQ

• Can oil-based paint freeze?: Oil-based paints are unlikely to freeze, but their viscosity can change in extreme cold, making them difficult to use.
• Does wood stain freeze?: Yes, wood stains can freeze too. Signs of damage include thickening, clumping, or skinning on the surface.

Conclusion

To preserve your paint and prevent freezing, store it in a controlled environment and check it carefully if it’s been exposed to freezing temperatures.