Will Sunbrella® fabric mildew?
Sunbrella fabrics, if kept clean, will not mildew. An inherent characteristic of acrylic fiber is that it will not support the growth of mildew, as a natural fiber will. Mildew will and can grow on any surface that is dirty, so to keep your Sunbrella fabric from mildewing you must keep your fabric clean. If mildew growth becomes a problem please refer to our care and cleaning instructions.