Concrete & Masonry: What is the best way to remove concrete that was splashed on a vertical brick wall? Stephen B on Apr 01, 2011 Dan, ...» Go after it with a wire brush or a putty knife. Try the putty knife first, and when using the wire brush, take care to not score the brick.
Go after it with a wire brush or a putty knife.
Try the putty knife first, and when using the wire brush, take care to not score the brick.