Dear Jerry: I may have asked you sometime before, but I’d like your current recommendations for what's best to use to kill moss on a shady roof and lichens on a deck railing. Hopefully, the same ...

More than just an aesthetic problem, a mossy roof left untreated can severely damage a home inside and out. (George A.Tsongas) Many people pay more attention than usual to their roofs in the summer ...

Q: I have moss on my roof, little green plants. My insurance company said to get rid of it. How can I do that? Will vinegar kill the plants, just as you said it will kill weeds growing up between ...

CORVALLIS — Many people pay more attention than usual to their roofs in the late summer and fall as trees overhang, leaves pile up and fall rains are just around the corner. If crops of moss or lichen ...

Q. The roof on the side of our house gets very little sun due to a large shade tree next to the house. As a result it has accumulated considerable moss. How can I safely remove this moss without ...