Masking is the most overlooked step among beginners — and the most common cause of clear coat burn-through. At restoreLab, we do not rely on luck; we rely on masking tape.
1
Risk Zone: The Physics of Clear Coat on Edges
On edges and sharp body lines, the clear coat is always significantly thinner than on flat surfaces. Without masking, the very first pass with a wool pad can be fatal for the panel.
2
The restoreLab Masking Method
| Perimeter rule | We mask edges by overlapping the tape 2 mm onto the panel itself. This protects the edge while you work the main flat section. |
| Repainted panels | If the panel has been repainted, the risk of clear coat delamination when removing the tape increases. |
| Pro tip | To reduce that risk, we first lower the tape's adhesion by sticking it to a pair of jeans several times before applying it to the panel. |
| Contour tapes | For complex curves and stamped lines, we use narrow vinyl tape (6 mm), which allows us to precisely follow the body lines. |
3
Re-Masking for Finishing Passes
Masking is not static. After the first (aggressive) pass with a wool pad, the tape is repositioned "under the edge." This allows the second and third stages (with foam pads) to refine the edges themselves, so they do not stand out from the overall gloss of the polished flat surface.