Q: About algae on shingle roofs. ... Is there a best time or two during the year to apply a recommended cleaner with a garden sprayer? A: Although algae stains are unsightly, the stains do little to ...

Even with a fairly new roof like this, it won’t be long before the dark algae stains start making it look really bad. And it’s only going to get worse as it gets older. But here’s what you can do to ...

Q: Our 21-year-old house has its original roof. We've been fortunate not to have experienced any leaks except one time years ago after a very windy rainstorm. A local roofer repaired the problem at ...

If you've noticed dark streaks and stains on your home's roof, now's the time to take action before more damage is done. These stains are caused by algae, moss, mildew, bird droppings and other ...

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 ...

Q: I was looking at my roof and I noticed a dark streak where two roofs meet and form a valley. I had a contractor friend check the shingles and he said I had a couple of years left before the roof ...

Not a week goes by that I don’t get a question at the Ask Tim page on askthebuilder.com about cleaning this or that household surface. As it turns out, I happen to know lots about cleaning. I ...

Local experts explain how Cape Coral’s climate affects roof cleaning timing and long-term results. Cape Coral, United ...