The Correct Way to Grind a Concrete Sidewalk
2021-3-19 · Preparing a Sidewalk for Grinding. First, the grinding surface should be cleaned of all moss, dirt, and other debris. If the concrete is moldy or stained with car grease, it’s worth giving it a once-over with a degreaser or concrete cleaner. If you want to grind a concrete floor that has cracked or buckled, measure the depth of the bend.
