Impregnated timber from Oulu
Pölkky Oy's pressure impregnation facilitiy was built at Rusko in Oulu in 1991. The treatment is carried out using the latest, environmentally-friendly impregnating agents.
Oulu pressure treatment facility
- 24-metre impregnation tunnel
- Separate fixing channel
- Impregnation grades A and AB conform with the SFS 3974 and En 351 standards
- In terms of protective agents, class A represents 16 kg/m3 of wood preservative and class AB 9 kg/m3
- Production of impregnated timber: 33,000 m3/year