Granville Stone Chip Protective Coating Aerosol - White - 500ml Aerosol. This product offers anticorrosion and sound deadening properties based on rubber and resins. After drying, the coatings are over-paintable with most commonly used paint systems. Once the product has dried completely, a durable elastic film remains. These products offer good protection against various climates and gravel. Protects against rust. Can be over-painted with matching topcoat. Over-paintable after 10 minutes. Coats are touch dry after 30 minutes. Recommended total drying time is 24 hours. To use, hold the can 25cm - 30cm from the surface and spray a continuous coat to give the designed textured finish.