Paint doesn't dry
Cause
High humidity
Repair
- wait until humidity lowers
Cause
Low temperatures
Repair
- wait until temperature rises
Cause
Inadequate ventilation
Repair
- increase ventilation
Cause
Grease or wax on surface
Repair
- remove paint and clean substrate
Cause
LOSP-treated timber with unfixed solvent
Repair
- remove paint and wait for solvent to dry