Does Unused Paint Expire? A Detailed Preview

Does Unused Paint Expire after it is been kept for a while without usage? You may want to know if unused paint can get expired after a period of time without usage.

Does Unused Paint Expire? A Detailed Preview

There is no item existing today that was made without an expiring date.

In as much as it has a manufacturing date, it must definitely have an expiring date also.

So, paint is not an exception to this fact as all types of paint go bad eventually.

However, If you want to know if unused paint expires? Keep Reading!

Does Unused Paint Expire?

A previously opened can of paint lasts 5 years on average, if properly sealed and stored else it will get expired.

However, an unused can of latex paint can last up to 10 years.

When stored properly, unused oil-based paint should have a shelf life of 2 years.

However, the best storage for paint is in a cool, dry area, away from extreme hot and cold temperatures.

Paint should never be allowed to freeze and should be stored away from furnaces and other heat-generating appliances.

How Do You Know If Paint Is Expired?

Nothing lasts forever, and with paint, it definitely expires over time. You may therefore want to be on the track for any signs to know if your paint has expired. Check below;

1. It smells off: moldy-smelling paint is a sign that bacteria has grown in the paint can and it’s no longer viable.

This smell will not go away after you apply it to your walls, so be sure to dispose of the paint!

2. The paint is chunky: If you open the paint can and it smells fine, if you notice chunks that don’t dissolve after stirring, then you should throw it out to avoid applying lumpy coats of paint.

3. It will have a gel-like texture: The paint should be smooth and have a liquid uniformity

If your paint seems sticky, it might not spread evenly across the surface you plan on painting.

4. The paint will be dry: If a fine layer of dried paint settles on the top of the paint in the can, you can regularly remove it and mix the paint or add a paint-thinner to it.

But if you notice there is a lot of dry paint or the paint-thinner doesn’t revive the paint, this could be a sign that you need new paint.

5. The color looks different: While paint may look lighter when wet, obvious discolorations from the paint on the wall, such as faded colors, may indicate that the paint is expired.

How to Preserve Paint for a Long Shelf Life

A few simple techniques can help preserve the lifespan of your paint. Check out!

1. Store the paint in a cool, dry place.

2. Never allow the paint to freeze.

3. Avoid all temperature spikes, whether high or low.

4. Remove all impurities, especially organic matter such as leaves or grass.

5. Add a small amount of water to older latex paint.

6. Add a trace amount of thinner to older oil-based paint.

7. Place paint in a plastic container since rust from metal cans might contaminate the paint.

Just so you know, Unused paint does expire if they are not properly handled. So, do well to maintain the unused paint to avoid wastage.

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