OverviewSpecsFAQsGalleriesResourcesReviews Product Description Refill for 18 inch floor coater bar 18″ Floor Coater Refill is specially designed to apply the smoothest, ultra-thin, lint-free finish to concrete and wood surfaces. Perfect for the application of acrylics, UV coatings and other thin mil applications. It provides greater foot-per-gallon coverage than standard flocked foam. Excellent for Floorshine and Polish Guard.