UPM Seikku sawmill

Located in the west coast of Finland, UPM Seikku sawmill produces whitewood sawn timber from certified Nordic spruce.

In brief

​Annual capacity

390,000 m3 of whitewood sawn timber.

Timber sawmill capacity


80 employees directly employed by UPM Seikku sawmill.

​History and investment roadmap

Seikku sawmill was originally established by F.W. Rosenlew in 1872. The sawmill was completely renovated in 1940 and has been modernised regularly. In the summer of 2014, there was a new log sorting line installed in Seikku sawmill.

​2017Grading plant update​
​2016​Input renewal in grading
​2015​Green sorting modernisation
​2014​New log grading line
​2013​Improving the storage facilities
​2008​Log grading line modernization inc. X-ray measurement unit
​2007The sawmilling business was incorporated into the UPM-Kymmene Oyj.
​2006​​Production of gluelam beams was started in co-operation with Anaika Engineering.
​2004​Belongs to UPM-Kymmene Wood Oy
​2002​Sawmill modernization e.g. new sawing line
​1996​​Belongs to UPM-Kymmene Group
​1991​Seikku became part of Yhtyneet sahat Oy (United Sawmills)
​1988​Rosenlew merged into Rauma-Repola
​1976The main saw line of the mill was renewed
​1973​​New saw line was built
​1970​​Big investment plans to modernize the sawmill
​1967​​Log floating to the mill finished
​1940​​Complete renovation of the sawmill
​1923​​All the equipment were modernized
​1872Fredrik Wilhelm Rosenlew set up the sawmill



​UPM Seikku sawmill
Aittaluoto, PO BOX 80
FI- 28101 Pori
Tel. +358 2041 4153
E-mail: timber@upm.com

Timber Sales » 

 Shipping mark

Seikku shipping mark


​We have all major certificates:

  • Quality Management System ISO 9001
  • Environmental Management System ISO 14001
  • PEFC and FSC Chain-of-Custody

These and more certificates can be found through this link.