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