PERMANIZER FLAT FINISH WHITE|PERMANIZER Satin Exterior Acrylic Coating represents a new resin technology. It is a self priming, satin, 100% acrylic high build coating with superior adhesion, durability and the longest lasting protection. It blocks tannins, and resists mildew and algae. It can be used for all types of new or previously painted commercial, institutional and residential exterior wood, masonry and select metal surfaces such as siding, trim, eaves, facias, shutters, fences, properly prepared brick, block, stucco and concrete surfaces, vinyl, primed metals and metal siding, vinyl siding and trim.