EDGE EDGE Fixing Nailing Adhesive: Finishing and Painting Un-painted Mouldings Fill nail holes and any indentations with an interior filler and lightly sand smooth. Apply one coat of acrylic interior sealer or acrylic interior undercoat, allow to dry and sand smooth as required. Apply 2-3 coats of premium water-based enamel, lightly sanding after the first coat if required. Painted Mouldings Fill nail holes and indentations with an acrylic interior filler and lightly sand smooth. Check the machine applied coating is smooth and even, lightly sand as required, and spot prime any bare areas. Apply two coats of premium water based enamel lightly sanding between coats if required.