If you are working on an outdoor piece of concrete flooring clean it of any grease.
How to clean concrete basement floor before painting.
Remove all flaking peeling paint using a scraper and wire brush.
Smooth the mortar using a trowel.
How to repaint concrete floors.
Prime and paint priming before you paint concrete floors helps ensure that your new look will stick.
Dampen the cement floor thoroughly with a hose.
Pour some of the degreaser or cleaning solution from the bucket onto the floor.
Smooth and sand rough edges using 100 grit sandpaper.
Acid etching with vinegar is easy and less labor intensive than using a machine to pretreat the concrete floor before sealing or painting.
Allow the mortar to dry for the time recommended.
Prepare to mop the concrete with a trisodium phosphate solution tsp.
Sweep the floor of all.
Attach a brush or coarse scrubbing pad to an electric floor scrubber.