Can you use old exterior paint?

Author: Ms. Erna Huel DDS  |  Last update: Sunday, April 20, 2025

If your paint doesn't have a spoiled odor or consistency, you can use it for touchups or new projects—though it may not result in a perfect finished product. "The product might be too thick to apply, and not flow and level to an even finish," says Edrosa. Skinning is another concern with older paint.

Can you use 10 year old exterior paint?

Exterior paint can last 5 to 10 years, depending on the type of paint you use and the surrounding environment. Therefore, you can lengthen the time that a finish will last by prepping the surface properly and investing in a paint that matches the type of exterior that is being repainted.

How do I know if my exterior paint is still good?

Just like rotten food in your refrigerator, there's usually a harsh smell that accompanies an old can of paint that has gone bad. Physical changes. You might notice the consistency of your paint has changed. There may be a “skin” on the surface or lumps that won't stir out.

What happens if you use expired paint?

What happens if you use expired paint? If the paint has a bad smell, you'll be adding that odor to your walls. In addition, expired paint will not provide even color coverage, the finish may not be smooth, and the paint is more likely to crack or chip.

How long is exterior paint good for?

How Long Does Exterior Paint Usually Last? A decent exterior paint job will generally last anywhere from five to ten years. However, many factors will influence whether or not your paint job will be on the smaller or larger end of the range (or even outlast it entirely).

The Secret to Sanding Old Paint - Mechanical Sanding Tip

Does paint go bad if stored outside?

Never store paint outside or in areas that are not temperature controlled.

Can you still use 20 year old paint?

Typically, you might get 5-10 years from latex paints and 10+ for oil paints. Anything more than that and you'll likely need to buy new paint. If you need to dispose of old paint, contact your county for further details.

Can I use 15 year old paint?

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 it has been subject to freezing, it may not be usable.

What is the shelf life of Sherwin Williams paint?

In most cases, an opened can of paint lasts between two and five years. If stored carefully, it may last even longer. However, the storage environment, temperature changes and other factors can impact the shelf life.

How can you tell if an exterior paint job is bad?

In conclusion, recognizing a bad paint job involves identifying signs such as air holes, cracking or peeling, and blisters on the walls. Issues with an exterior paint job can stem from watered-down paint, shady business practices, and insufficient prep work.

How many years does Sherwin Williams exterior paint last?

It has technology to allow us to paint in cooler temperatures and will typically last about 5-7 years. Of course the amount of time that any paint will last depends on a lot of factors – two of the most important being weather conditions and pre-existing conditions.

What happens if you use bad paint?

For one, the expired paint will have adhesion issues. More importantly, it can be hazardous by giving off excess VOCs or paint fumes. In this case, it's best to get new paint. However, the paint may still be good if the water has separated from the solids.

Can exterior paint last 20 years?

Exterior house paint can last anywhere between 5-12 years. However, several different factors can drastically impact the longevity of your home's exterior paint job. When it comes to painting the exterior of your home, the adage of proper preparation prevents pour results is the main key to your success!

Can you use paint that has gone thick?

Impacts on Texture and Finish

If the paint is too thick straight out of the can, it may need to be thinned using the appropriate thinner (water for latex paint, mineral spirits for oil-based paint, etc.) to reach the right consistency.

Does Sherwin Williams take old paint?

Recycling Your Paint

Sherwin-Williams is pleased to volunteer many of our stores as drop-off locations. Ready to drop off your leftover paint? Search for a Sherwin-Williams store* in any of the participating states/jurisdictions.

Will Home Depot shake old paint?

Paint Shake and Re-Tints

If you bring your old paint to a Home Depot paint center, you can have it shaken up in their machines. This saves the effort of stirring up your old paint, but it also sets up another great service: paint re-tints.

How to dry out paint to throw away?

Stir the cat litter into the paint until it thickens and won't spill. Allow the mixture to sit for one hour. Throw the dried paint in the can into the garbage. Be sure to remove the lid from the can.

Can expired paint be used?

"Paint that is beyond its shelf life can develop a rancid, sometimes rotten-egg odor," says Edrosa. If you open a can and find either of these problems, dispose of the paint and buy new.

How long does exterior paint last in a bucket?

It depends on whether or not you stored it properly and what type of paint it is. Paint that has never been opened, latex or oil, will typically last about three years. If you store a can of opened paint in the correct way, it most likely will last a couple of years.

What happens if you paint over old paint?

If the old paint is flaking, bubbling, or peeling off, it might not be a good idea to paint over it directly. This is because the new layer of paint might not adhere properly to the surface, leading to an unattractive and uneven finish.

Can you use paint that has rust in it?

In conclusion, get rid of your paint if:

It has been contaminated with rust (you can use it if corrosion is only on the container).

Can dried up paint be revived?

If your acrylic or house paint has dried up, don't worry – you can bring it back to life. Simply add a bit of water or a paint conditioner to the dried paint and stir it well. Start with a small amount, mix, and check the consistency. Repeat until it reaches the desired smoothness.

How do you remove oxidation from old paint?

Light-to-moderate oxidation can be removed with polishing compounds, while heavy oxidation requires a rubbing compound which acts as car oxidation remover. Apply the compound gently to a small area, work it into the paint and remove it quickly, repeating until all signs of oxidation are gone.

How do I use an older version of paint?

You can try the following to revert to previous version of Paint: - Uninstall Paint. Right-click on the app from the Start menu > Uninstall. - Just download and install the version you prefer.

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