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? -- ...

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 ...

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All over New Jersey, the appearance of black streaks on roofs is becoming more and more evident. Dark streaking and staining make a perfectly good roof appear to be in need of replacement as well as ...

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. The roof on my split-level house is “stained.” Is it mold? My roof looks discolored and it looks like I’m ready for a new one. In my development, roofs facing the sun are in excellent condition.

Protect one of the largest parts of your home -- the roof -- with regular cleaning and inspection. This should be done at least twice a year, in fall to get your roof in shape for the cold weather and ...

Question: The roof on my split-level house is "stained," says e-mailer "Bob from the Suburbs." Is it mold? My roof looks discolored and it looks like I'm ready for a new one. In my development, roofs ...

Q: Lately I’ve noticed dark streaks on my roof shingles as well as other roofs in the neighborhood. The roof is about 12 years old and is in good condition. Can you tell me what the streaks are and if ...

Q: Lately I’ve noticed dark streaks on my roof shingles as well as other roofs in the neighborhood. The roof is about 12 years old and is in good condition. Can you tell me what the streaks are and if ...