Interior vs. Exterior Paint: What's the Difference and Why It Matters

If you've ever stood in the paint aisle wondering whether it's okay to grab one can and use it everywhere, you're not alone. It's one of the most common questions homeowners ask us. The short answer: no, interior and exterior paints are not interchangeable — and using the wrong one can cost you far more in repairs down the road than the paint itself ever would have.

Here's everything you need to know about why these two products exist, how they differ, and how to make sure you're always using the right one for the job.