What's the difference between concrete etching and acid etching?
Etching concrete and acid etching are one and the same. It is a necessary process before coating concrete floors. Concrete etching provides a rougher surface for coating to grab onto, increasing the coating’s durability. Etching is necessary for the majority of concrete coatings, and should be performed regardless. If you want your epoxy concrete floor to survive for a long time, this is a crucial step.