Crew members got down in on their hands and knees to rub scrub the gelled acid into the exposed concrete with 2-inch paint brushes. “As we etched across the lobby floor, each worker had a ...

Therefore, if your garage floor has any existing old paint, you'll need to remove it first with a chemical paint stripper.

Concrete stain comes in two forms: acid- or water-based ... although it is very labor-intensive. Etching faux grout lines to give the appearance of a tiled floor can also be effective but takes ...