How Long Does Interior Paint Last In A Can

So, you've got a can of paint sitting in your closet, gathering dust. You're wondering, "How long has this bad boy been in there?" and "Is it still any good?" Let's chat about that, yeah?

First Things First: Storage

Alright, so the number one factor in how long your paint lasts is how you've been treating it. Is it chilling in a cool, dry place? (Not the attic or the garage, please.) Is the lid on tight? (Pro tip: If you're not using the paint for a while, wrap the lid with plastic wrap before screwing it on. Just saying.)

If you've been a good paint parent, your paint could last for years. Yes, years! But let's not get ahead of ourselves.

What's in the Can?

Now, let's talk about the paint itself. Oil-based paints usually outlast water-based ones. We're talking 10+ years for oil-based, and 5-10 years for water-based. But again, that's with proper storage.

Then there's the paint's age. Even if you've been storing it like the precious gem it is, paint can still dry out over time. So, even if it's been sitting in your closet for a year, it might not be in tip-top shape anymore.

How Long Does Paint Last and How to Tell If Yours Is Still Good

Time for a Test

Alright, so you've checked the storage, you know what kind of paint it is, and you've got a rough idea of how long it's been sitting there. Now it's time for a test.

Give the can a good shake. (Safety first: Make sure the lid is on tight before you do this.) If it's still liquidy and smooth, you're good to go. If it's all lumpy and separated, it's time to say goodbye. (Tears not required, but understandable.)

How Long Do Cans of Paint Last?

If it passes the shake test, try stirring it. If it mixes back together easily, you're in business. If it's all clumpy and won't mix, it's time to invest in a new can.

One Last Thing...

Before you start painting, do a test patch. You don't want to find out halfway through your project that your paint isn't playing nice. Trust me, your walls will thank you.

And there you have it! Your paint's lifespan in a nutshell. Now go forth and paint, my friend. Your walls are waiting.