I got a tip off this very site... whatever product you use to wash the awning, soak it thoroughly and roll it back up to let the cleaner soak for a half hour or so. Extend, scrub, rinse and repeat as necessary. Make sure to rinse the top too.
Restcure (formerly JD and Beastlet)
2012 Rockwood Ultra-Lite 2701SS > ProPride 3P 1400 > 2013 F150 FX4 SC EB LB max tow 3.73s
John, Dawn, daughter Emily and Bella the camping kitty www.restcure.ca