First-class Forster metal products - from Hämeenlinna to the entire world

All our contact information

Metalli & Koneistus Keränen Oy uses first-class Forster metal products. These products serve as the basis for everything. We further process all kinds of products from them. Metal can be made from almost anything, from wind cabinets to complete facade structures.


We serve from all over Finland in Hämeenlinna. We are known in our industry especially for our quality, versatility and efficient way of working. So choose Metalli & Koneistus Keränen Oy and ask for an offer! You can reach us by phone, email or using the form on the contact page.

We manufacture, among other things

  • metal interior doors

  • metal cold break doors

  • metal fire doors

  • metal sliding doors

  • metal cold break windows and fire windows.

If the product you need is not listed, don't worry, as we strive to meet the needs of each customer flexibly.

Forster door and window profiles

Forster's profile systems represent the best quality in their field. They have been in the metal industry for a long time and their products have set a certain standard. Forster produces modern solutions in steel and stainless steel for a variety of door, window and façade structures. All Forster products are internationally certified. Their unique static properties enable the production of state-of-the-art structures. These products are CE marked and fire rated.


Here at Keränen, we use these Forster products and further process them. Let us know what kind of metal solution you are without and we will make you a very competitive offer!

Take a closer look at Forster











Check out our other services in the metal industry as well

In addition to immersion sparking, we also offer a range of other services in the metal industry. You can find out more about each service behind the links:

If you are interested in immersion sparking or any other metal service we provide, please contact us and leave us a request for quotation. Our professional team will negotiate with you to implement a submersible sparking project that meets your needs and will make you a competitive offer. You can reach us by phone, email or contact form.