Metal Spiked Roller The metal spiked roller is used for popping gas/air bubbles in the finish. It will allow for a finer finish because of the fine tips of the metal spikes. It is also used to level the coating to ensure a uniform thickness. Home > Catalogue > Floor Coating Applicators > Metal Spiked Roller FIND THE RIGHT FLOORCOATINGAPPLICATORS Filament Type SyntheticBlack BristleWhite Bristle Surface Type Smooth Surface (5mm Nap)Wood (primed)Drywall (primed)Semi-Smooth Surface (10 mm Nap)Masonry BlockSemi-Smooth Surface (13 mm Nap)Semi-Rough Surface (15mm Nap)Plaster (primed)Rough Surface (20 mm Nap)StuccoVery Rough Surface (25mm Nap) Brush Type Wall Brush Handle Style Thin BeavertailPlastic Handle Flex SoftMedium Roller Cover Material Woven Lint Free SHOW FLOOR COATING APPLICATORS Metal Spiked Roller 18"