Sand the floor once and then switch to a finer grit pad.
Cement sanding pads.
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You will want to give a stained concrete surface special attention before sanding especially if grease is involved.
For the smoothest finish use superfine sandpaper 200 to 400 grit or higher.
Periodically mop the floor with clean water to remove any residue created due to polishing.
The type of sander can have a big impact on the finished product so be sure to plan ahead.
I have the 400 200 100 and 60 grit pads.
This creates a firm yet giving base that gently increases sanding torque on flat surfaces and convex corners while ensuring a flat scratch free surface.
There are many ways to sand concrete and cement pieces but here are two methods i ve used and two other good methods for sanding concrete.
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After the sanding is complete inspect the floor for any traces of paint or irregularities.
For smooth finishes and removing minor imperfections use 80 to 120 grit sandpaper.
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Diamond sanding pads it may be worth purchasing a couple of these diamond sanding pads.
The finer the grit of the sanding pad the more polished the floor will become.
You can probably skip the 100 and 400.
Apply adhesive backed sandpaper to the block for the beginning sanding steps.
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Each sander has a different series of sanding pads that are designed for use on concrete.
You will start with a coarser grit pad.
Use a heavy coat of photo mount spray adhesive or rubber cement to glue the mouse pad to the block.
Additionally sanding can be an important step in resurfacing a treated concrete floor.