POOR OPACITY
You can see substrate through the layer of topcoat.
Causes
- the substrate in patchy colour,
- too thin layer of topcoat,
- poor quality of used coat,
- excessively diluted topcoat.
Prevention
- apply primer in the recommended colour of the system of spectral shades of grey,
- comply with the appropriate thickness of applied coat layer,
- comply with the recommended mixing ratios.
Repair
Sand and apply coat again.
