Thanks for the quick replies.
Yes, there was a primer sealer put on first.
Because this project is DIY and not moving very fast, I think I'll let it dry/cure for a couple weeks, then rough it up with 60 or 100 grit.
I have to be out of town until the first anyway. And then I need to build the half wall. In the meantime, I've still got some elctrical to finish and get the heat mat ordered...
You know how it is. Enjoy the weekend. It'll be near 90 in Iowa today.
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