PSS 20 Anti-Graffiti - Eco-friendly completely reversible anti-graffiti/anti-soiling protection. Made completely of plant matter (polysaccharides), PSS 20 keeps graffiti, pollution and soiling off the underlying coating yet is highly vapor permeable. PSS 20 dries to a flat finish and is not visible to the eye. KEIM Sealer - Clear sealer & waterproof coating that can be used as a protective wear surface over all KEIM coatings. Faceal Oleo HD - Clear coating, cannot be washed off even with a hot water pressure washer. Faceal Oleo HD has nano-technology that will not let oil, grease or dirt penetrate the substrate therefore making it easy to clean. Faceal Oleo HD can be used on floors or walls.