Hammerite Hammered Silver is unlike conventional paints as it can be applied directly onto metal without using a primer and undercoat first. It's as easy as that! This paint require minimal surface preparation before application and offer long-lasting protection, plus a great-looking finish for both interior and exterior metal finishes. To get the best results, make sure surfaces to be painted are sound, clean and dry.Remove as much paint as possible from the brush before cleaning with brush cleaner