Every time I tighten or redrive the mounting screws on our handrail, it always comes loose again. What am I doing wrong?—CLAUDE Y., HUNTSVILLE, ALABAMA Once a part works loose, creating an airspace ...

I got a call from a family that needed to know how to fix a loose newel post on their stairway. This is the post at the bottom of the stairway that anchors the handrail. It’s a pretty important ...