How To Clean Sunbrella Fabric Awning. Prepare a cleaning solution of water and mild soap such as woolite or dawn dishwashing liquid. • brush off loose dirt.
Prepare a solution of 1 cup of bleach and 1/4 cup mild soap per gallon of clean water. Rinse thoroughly until all soap residue is removed. While sunbrella does not promote mildew growth, dirt on the fabric can grow its own mildew.
Rinse thoroughly until all soap residue is removed.
Simply rinse with clear water to prevent dirt from embedding itself into the fabric. • use a soft bristle brush to clean. 1/4 cup of mild soap like dawn dishwashing liquid. Prepare a cleaning solution of water and mild soap such as woolite or dawn dishwashing liquid.