Q The underground sprinkling system of our new home sprayed on two windows and the siding. There are no yellow or orange iron deposits, just white water spots. What can I use to clean them? — J.R., ...

We may receive a commission on purchases made from links. If you live in a humid place, there's a very good chance you'll have algae buildup on the siding of your home, particularly on the northern ...

Q. My house is now 25 years old. It’s covered with vinyl siding. Every summer, mold and mildew develops on the north side of my house. Every few years I remove it. Is there some coating I can apply to ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Q • The siding on one side of my house keeps turning black. I rinse it off, but it keeps reappearing. I think this might be mold.