You can clean a retractable awning by hosing it down with a garden hose. Be sure to avoid getting the electrical motor wet. If the dirt and stains are tough, you can use a soft brush to scrub them off. You can also use a degreaser or soap and water to clean the awning if necessary. Be sure to rinse off all the soap or degreaser before allowing the awning to dry.

I have a retractable awning. How do you clean a retractable awning? There are a few ways to clean a retractable awning, but the best way is to use a pressure washer. Be sure to avoid high-pressure direct spray as it could damage the fabric or frame of the awning. You can also use soapy water and a soft brush to clean it, or even hose it down with water. Just be sure to dry it thoroughly afterwards so that mildew doesn't form.