bituminous mastics Silverhook. protects car body against corrosion, protects thresholds, bottom and wheel arches. Under Seal Silverhook gives strong, flexible long-term protection againts stones, water, salts . product can be used also for example in construction for roof in fixing , where necessary protection against water . use: clean surface rust, dirt. treated surface must be dry. shake the bottle vigorously. required pressure 5-7 bar. spray to surface several thin layers. apply at least 2 layers , before next layer has been applied wait at least 1h. Splashes to remove immediately with White Spirt- . important: not apply to mechanical neither electrical parts, for exhaust, to gearbox, wires.