Surface Preparation Prior to applying the topcoat, apply a suitable primer.  The surface must be free from all contamination including rust, grease and moisture. First sand old paintwork and coated parts and then prime. Once dry, sand smooth with P600 sandpaper. Before use, carefully read and note the warning text on the label Coverage: 1.25 - 1.75m² per 400ml Drying times*: Dust Free 5 - 10 minutes Tack Free 4 hours Cured after 24 hours  *The drying time depends on temperature, humidity and the thickness of the applied coat.