Half of a home's siding covered with mold or algae - Picunique/Shutterstock Cleaning the exterior of your home is just as important as tidying the interior, but you don't need a power washer to tackle ...

*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.