APP U100 Spray is a quick-drying elastomer based spray coat that offers insulation and soundabsorbing properties. Purpose: to protect car body elements against stone related chippings to provide anticorrosion protection, to restore original factory made texture. APP U100 Spray provides anti-corrosion protection and protects car body elements against stone related chippings, including: spoilers, thresholds, wheel arches, mudguard, door as well as chassis and other car body parts.