The first thing to know about cleaning concrete? You don’t need to go easy on it. After all, it’s one of the most durable building materials used in modern construction. But with its durability comes ...

Q:I replaced one-fourth of a concrete driveway when a new water line was installed. That section is white, the older sections gray. It looks awful. If I paint the concrete, I can imagine chipping and ...

Several weeks ago I answered a letter in this column concerning removing hard water scale build up in plumbing supply pipes using muriatic acid and potassium permanganate. I discouraged the practice, ...