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