Damp patches

Cause

• Incorrect viscosity of the material
• Uneven spread of the varnish
• Too a short time of applying the material between layers
• Damaged varnish gun
• Wrong temperature of the material and the paint booth during varnishing

Countermeasure

• Keep the temperature during repair recommended by a manufacturer
• The material should be prepared according to the Technical Data Sheet (TDS)
• Clean the equipment after every use and check whether it is not worn out

Removal

• Sand damp patches with fine-grained sanding paper (1500, 2000 or 2500) and polish
• Sand it and varnish again