Dear James: Our 3-year-old light-colored roof already has dark stains over most of it, except for near the chimney. Why is that, and how can we stop the staining from getting worse? — Phil R. Dear ...

I was having lunch with a friend a few weeks ago and he said, “I have an idea for one of your articles.” I said, “OK, what’s the idea?” He asked me, “What’s the best way to remove the ugly dark ...

So you noticed a water stain on the ceiling: First of all, don’t panic. “The first step to dealing with water stains on the ceiling is understanding what has caused the stain in the first place,” ...