How to polish lumpy concrete?
After the surface of my outside steps was renewed, some rough concrete lumps and bumps were left which have recently proved dangerous when I tripped and fell.
My son has a Bosch Sander and it has been suggested that he can polish off the bumps using a 1/3rd A4 course grit diamond sanding pad. Is this good advice and if so where can I buy it please?
Or any other suggestions for a solution to this probem would be gratefully received.
Many thanks.
Sanding pads will take quite a bit of time and many pads to complete. Most hardware/home improvement stores sell ceramic tile tools. They make a hand-held de-burring stone that is about 3" x 5" at the base and has a handle attached to it. You can rub down your lumps with this. Otherwise, I would recommend a cup grinder. Maybe you could rent one. It would need to be kept flat as you grind. Wear safety equipment (i.e. goggles, gloves, respirator/N95dust mask) and go easy until you get the feel for it.
FYI - If your steps were just renewed, there should not be any lumps or bumps....
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