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 just read your column on staining concrete driveways. I have a similar problem but my driveway is blacktop. I have a 60-year-old red brick home. The mortar was cracking and eroding between some of ...