My old boss told me to never use a power trowel on a garage floor before the bleed water was gone.

Skyler Wright · 2026-03-11T14:00:12.397582+00:00

He said it like a rule, 'If you see a shine, you're too early.' I thought he was just being picky, but on a job in Springfield last month, the crew was pushing to finish. We hit it with the trowel while it still looked wet. Two days later, the whole surface was dusting like crazy. You could rub your hand on it and get a pile of fine powder. The homeowner called, mad. We had to grind it all down and put a coating on top, which ate our profit. That mistake cost us about $2000 in extra work and materials. It was a hard lesson that you can't rush the set. Has anyone else had a floor dust up because of timing?

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My old boss told me to never use a power trowel on a garage floor before the bleed water was gone. | Concrete Finishers - The Community Guide