A concentrated, high-strength cleaner, designed to remove difficult soils from tension shade structures such as hip and ridge and tension membrane shade sails made of Polyfab HDPE knitted sailcloth (or equivalent quality fabric), PVC coated or laminated fabrics. This 32 oz. bottle can be used to clean around 150 square feet of fabric under ideal conditions. The cleaner is environmentally friendly, non-toxic, biodegradable, and contains no butyl. Protect from freezing. Best if used above 45 degrees.