UPM Seikku sawmill



UPM Seikku sawmill produces whitewood sawn timber from certified Nordic spruce mainly from the forests of Western FinlandUPM Seikku sawmill has been modernised in various stages and it uses the latest sawmilling techniques to produce high quality whitewood sawn timber. The sawmill is located in the west coast of Finland in the city of Pori.



400 000 m3
of sawn timber / year
employees directly employed by Seikku sawmill
of products to export


​We have all major certificates:

Quality Management System ISO 9001

Environmental Management System ISO 14001

Safety Management System ISO 45001

PEFC /02-34-05 and FSC™ C086359 Chain-of-Custody

Seikku sawmill certificate logos


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. The latest investment in the Seikku sawmill was the dry kiln renewal in 2019.

2019 Dry kiln renewal
2018 Automatic wrapper in grading plant
2017 Grading plant updated​
​2016 ​Input renewal in grading
​2015 ​Green sorting modernisation
​2015 ​New log grading line
​2013 ​Improving the storage facilities
​2008 ​Log grading line modernization inc. X-ray measurement unit
​2007 The 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
​2001 ​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
​1976 The 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
​1872 Fredrik Wilhelm Rosenlew founded the Seikku sawmill

Shipping marks


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