18/09/2026
Before painting concrete, it's important to make sure that there's no more than 3% moisture within your surface (anything more than this can cause adhesion problems). You can check using a moisture meter if you have one, but if you don't, simply tape a square of glad wrap to the surface in direct sun. Leave this for 10-15 minutes, and if condensation occurs, the concrete isn't dry enough to paint yet.
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