We probably get a question a week through our Web site about how to deal with a loose screw. It's a very common problem. Because screws get turned in and out of wood, they eventually become loose. But ...

Q: The screws in the top hinge of my entrance door have become so loose they can no longer be tightened, causing the door to sag so that it is difficult to close. How can I repair this? A: There are a ...