Surface Preparation Remove mildew before painting by washing with a solution of 1 quarter liquid household bleach and 3 quarters of warm water. Apply the solution and scrub the mildewed area. Allow the solution to remain on the surface for 10 minutes. Rinse thoroughly with clean water and allow the surface to dry 48 hours before painting.
For 145 years, Sherwin-Williams has satisfied the coating and color needs of builders, designers, specifiers, property managers and contractors. Sherwin-Williams provides fast, flexible, responsive local service and personalized, expert advice. More than 3,400 stores and 1,700 sales representatives make Sherwin-Williams North America's largest single-source supplier of high-quality paints, stains, masonry coatings and brand-name wall and floor coverings.