The best way to keep Canvas Awnings clean.
Sweeping the dirt off with a dry brush is the best way to clean your Canvas Awnings.
For bad stains use BH38, it is a reliable cleaning solution, available from most hardware outlets, it is safe to use on Acrylic canvas.
As always, follow instructions on the label and test a small sample area first.
To prevent mould, wait for Retractable Awnings to dry before you retract them.