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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 ...

Dear James: My house has a light-colored roof and it needs to be replaced. It has always had a problem with dark stains on it. What is causing the stains and how do I avoid them on the new roof? -- ...

As with most jobs, the right tools can save you a great deal of aggravation in the long run. You’ll need a full-body harness, ...

Q: My newer roof has ugly black streaks on it. What is causing the problem? Is there a way to clean my roof and salvage it? A: You and millions of other homeowners are victims of black roof streaks ...

DEAR TIM: My newer roof is turning black. It’s got ugly black streaks that look like someone poured used motor oil on my roof. What is causing the problem? Are the shingles defective? Is there a way ...

Q: Many of the homes in our subdivision are 12 to 15 years old. In the last couple of years, I have noticed that many roofs, including our own, have dark stains flowing down one side or another. The ...