Is etching on concrete floor before applying epoxy or paint

Hi hope all is well. I want to clean and paint the garage and basement concrete with a waterproofer or epoxy. At first I was going to epoxy but thought… Hi hope all is well. I want to clean and paint the garage and basement concrete with a waterproofer or epoxy. At first I was going to epoxy but thought…Read MoreGreenBuildingAdvisor