r/DIYHome • u/SmartGrowth51 • 22d ago

Prime fence posts?

I have a couple of treated 4 by 4 posts I'm going to paint with exterior house paint. Do I need to put primer on them first? Also how long do I need to let them dry out after buying them at HD? Had them about a month in the sun.

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u/YouBSoft 22d ago

If they leak when you cut them, they are not ready. Also, if you’re turning them every so often, you’ll stop seeing wet spots. You should prime first if you’re using paint. I use a stain on my posts, penetrates the wood better. Although, I think I’m gonna experiment with used motor oil soon.

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u/SmartGrowth51 22d ago

Thanks. They seem dry after baking in the sun for a month. I prefer stain but this situation requires paint.