... , Cherry, Maple and Birch. All surfaces are progressively sanded smooth, starting with # 120 grit sandpaper and finishing with # ... .All surfaces are again hand-sanded, providin a smooth, consistent surface to accept topcoat.An environmentally safe catalyzed topcoat, ... 150 degree oven, creating a baked-on, full-bodies, smooth surface, comparable to high-baked finishes generally applied to automobiles ...