Why did my concrete paint cover less area than expected?
I'm painting my patio/back porch and I ran out of paint. It's 28 sq m of 10 year old concrete. Prep included pressure wash, mold scrub, rinse, dry time, sweep and vacuum. Etching not required as it's rough like pavement. I bought 4L of White Knight Ultra pave which should have covered 40 sq m. I thinned it with 20-25%…