Undercoating and Low VOC Undercoating are asphalt based aerosol coatings for corrosion protection, chip resistance and sound dampening on frames, wheel wells and under carriage areas. Features: Sound dampening Chip and corrosion resistant Excellent adhesion Uniform appearance Economical Applications: Properly prepped primed or painted surfaces Steel Aluminum SMC Fiberglass Properties: 24 oz. Aerosol Black Not paintable Distance: 8-12" Coats: 2-3 medium wet Flash time: 3-5 min