Hey everyone. Today you'll learn why I check that little word "exterior" before any paint goes on a piece that lives outside.
I wouldn't use indoor-only paint outside. I know exactly why it tempts people. The can is already open. The color is already perfect. It is sitting right there in your craft room.
I get it, folks. You paid for that paint. You love that shade. Buying a second can feels wasteful. And on day one, it looks just fine.
That is the trap, y'all. Indoor paint is made for indoor life. Stable temperatures. No rain beating on it. No Texas sun cooking it for 10 hours a day. Outside is a whole different job.
The sign that faded before summer ended
I watched this one happen up close. A crafter I know painted a sweet little garden sign. She used a leftover indoor paint she loved. The color was soft and pretty.
She was so proud of it. We all were. It went out by the flower bed. It looked great for about 2 weeks.
Then the sun went to work. The color started chalking first. You could rub a finger across it. White powder came right off. The bright edge turned dull and patchy.
Then came the rain. Just a few good storms. The paint started peeling at the corners. Little flakes curled up and let go. By about week 6, it looked years old.
The joke was not on her, friends. The paint did exactly what it was made to do. It was made for a living room wall. Nobody told it about August.
I have made my own version of that mistake. I rushed a small outdoor piece once. I told myself one coat would be fine. I spent more time repainting it than painting it. Lesson learned, the slow way.
Why indoor paint gives up outside
Exterior paint carries UV resistance. That means it fights fading from sunlight. Indoor paint does not carry that same protection. The sun breaks the color down fast.
Exterior paint also flexes. It expands a little in heat. It contracts a little in cold. Indoor paint can turn brittle out there. Brittle paint cracks. Cracked paint lets water in.
Water is the real troublemaker. Once moisture gets under the paint, peeling follows. Flake by flake. Corner by corner. Soon you are scraping and starting over.
What I do instead
First, I read the label every time. I look for 2 words: exterior use. I also look for UV resistance. If the can does not say it, I do not trust it outside.
Second, I prime first. I clean the piece well. I let it dry fully. Then I lay down 1 even coat of primer. Primer gives the paint something to grip.
Third, I paint second. I use 2 thin coats of exterior paint. Not 1 thick coat. I let the first coat dry fully. The label tells you the time. I follow it.
Fourth, I seal it. I add an exterior clear coat on top. That is the raincoat for your paint job. It takes maybe 10 extra minutes. It buys you seasons, not weeks.
Fifth, I test on scrap when I can. A small painted scrap tells the truth early. Leave it in the sun a few days. Look at it in daylight. Then commit to the real piece.
Here is your permission beat, friends. Your outdoor piece does not have to be perfect. You're your own worst critic anyway. A little brush mark is just fine. Take your time. It's not a race.
You have options here too. Some paints say interior and exterior both. Those can work for small pieces. A full exterior paint is my pick for anything in direct sun. Completely up to you.
Don't take my word for it — read this:
What's the Difference Between Interior and Exterior Paint? — Angi explains how exterior paint uses additives to resist weather and UV rays, while interior paint can bubble, peel, or crack when it is used outdoors.
You can read more from this series at What I Wouldn't Do as a Crafter.
Thanks for spending a little time with me today. Read the label. Prime first, paint second. Seal it for the weather. If I can do this, y'all can do it.
We'll see you next time. Bye.
— Corey, Chief Quilter, Linda's Electric Quilters
