For impregnating untreated softwood and hardwood e.g. window frames and doors, pergolas, roof undersides, panelling, wooden fences, etc. Can also be used as preventive protection against blue stain for static unstressed exterior wood that doesn't touch the ground. 
 
- for exterior use only
- reliable protection against blue stain* with RAL quality certification
- deeply penetrating
- fast-drying
 
Consumption: Approx. 60 - 70 ml/m² per coat. 

Effective against blue stain if 160 -200 ml are applied per m². With this application quantity RAL quality and test requirements are met. 
 
Standard colour: Transparent