Can we talk about that BEFORE and AFTER difference in my basement floor after ONE night of work?

I spent last Tuesday night grinding down a high spot in my concrete slab, and the change was CRAZY. Before, I had this annoying 1/4 inch bump near the door that made the vinyl tile pop up every time. After about 3 hours with my angle grinder and a diamond cup wheel, the floor was dead flat. The difference was like night and day, and it only cost me $15 for the wheel at my local hardware store on Elm Street. Has anyone else fixed a lumpy slab this way, or did you just live with it?

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the_derek2d ago

Grind down that 1/4 inch bump and call it a night, huh? How did you manage to keep the dust from getting everywhere - did you wet grind or just suck it up with a shop vac? I'm asking because I tried the same thing in my garage last spring, but that fine concrete powder ended up floating into every single tool in my workshop and even settled on my car. You gotta tell me your secret because mine left a film on everything for weeks.