DEAR TIM: Many roofs in my neighborhood, mine included, are covered with black streaks. What’s causing this to happen, and can the roofs be cleaned? I’m able to walk on my asphalt shingle roof with ...

QDEAR TIM: My roof needs cleaning. It's a newer asphalt shingle roof, but parts of it are covered with moss, lichens and algae. Is a pressure washer a good tool for cleaning roof shingles? Will it ...

Damaged roof shingles may not seem like a big deal but lead to costly issues if left untreated. Learn how to repair or ...

Q - Our roof has dark streaks in various places even though there are no trees directly around our home; our neighbor says it needs to be cleaned. How would we clean the roof? The guy with his ...

Q: I have a newer asphalt shingle roof, but parts of it are covered with moss, lichens and algae. Is a pressure washer the best choice for cleaning roof shingles? Will it remove all of this growth?

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 ...

Q. Many roofs in my neighborhood, mine included, are covered with black streaks. What's causing this to happen, and can the roofs be cleaned? I'm able to walk on my asphalt shingle roof with ease, but ...