Powerwashing is Like Brushing Your Teeth

Powerwashing siding - before and after
I've given in and bought an electric toothbrush. Why? I can’t figure out the perfect brushing balance to keep my teeth and gums clean without worsening my gum recession problems. I changed toothpastes too; did you know there’s a scale of toothpaste abrasiveness called  RDA factor, and high-RDA toothpastes contribute to gum recession? Well, it’s May, so naturally my efforts to care for my teeth and gums made me think about... powerwashing. Mold, rust and pollution are like tartar and pl...