If working with a freshly painted vehicle and the paint, paint drying system, and/or correct paint drying times are unknown, allow the paint to dry for 24 hours before treating the aperture.
If the drying times are known, use the paint shop recommendations and proceed as follows:

Removing corrosion
  • Abrade the bonding area with a siavlies speed abrasive pad (very fine) or very fine grade sandpaper (180 grit).
    *Available from Sia Abrasives
Removing corrosion

Clean the aperture with Sika® Cleaner G+P

Removing corrosion
  • Apply Sika® Primer-207 using a brush or dauber, making sure the primer overlaps onto the surrounding intact paint by at least 5 mm
  • Allow to flash-off for at least 3 minutes