How To Clean A Roof Window. Get results from 6 engines at once All of that walking and scraping damages tiles even more, doesn’t kill mold, and power washing actually drives mold further into your roof.
Once each panel is clean, rinse it immediately with clean water to prevent streaks and film. We use brushes to agitate the moss growth. But, before you start climbing on your roof to scrape or power wash, consider this:
Apply a cleaning agent to the roof;
All of that walking and scraping damages tiles even more, doesn’t kill mold, and power washing actually drives mold further into your roof. Apply a cleaning agent to the roof; Get results from 6 engines at once What little moss is left is usually very difficult to see.