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: 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 ...

My roof has skid marks. And lichens. Next thing you know, it could grow a mossy beard. What's going on here? And more important, what can I do about it? You might be wondering the same thing, if your ...

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 ...

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 ...

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

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Q My roof has been infected with a specific type of alga called Gloeocapsa magma, which causes unsightly black spots and/or ...