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 ...

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 ...

It’s important to take note of your roof. If you’re seeing dirty streaks, that could be an issue that will shorten the life span of your shingles. Columbus Roof Clean has an environmentally friendly ...

Cleaning the roof can be a complicated and hazardous task which nobody really enjoys. A company called Dachbemoost hopes to change this perception with a new tool meant to turn this into a safe, easy ...

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 ...