Q: I recently had a flagstone patio installed in my backyard. I love the patio, but I also love having my bird feeder, so the flagstones are covered with bird poop. I routinely take down the feeder at ...

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 ...