CRACKING

Scratches and cracks in the coating with different lengths and depths.

Causes
  • mistakes made while coating on thermoplastic substrates (applying coat directly on thermoplastic primer of polyester putty),
  • the layer of renovation coat had not cured enough (too small amount of hardener or missing),
  • extreme temperature fluctuations,
  • too short times of evaporation during the coating with „wet on wet” method.
Prevention
  • apply appropriate materials in accordance with the technology recommended by the manufacturer.
Repair
Sand and apply coat again.

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