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 ...
Big Easy Roofers has released a homeowner’s guide on safe asphalt shingle cleaning, drawing on standards set by the Asphalt Roofing Manufacturers Association, GAF, and Owens Corning to address what ...
Black streaks on shingles are caused by a living algae called Gloeocapsa magma, not pollution or dirt. The algae feeds on limestone filler in asphalt shingles and can be invisible for one to two years ...