Tiivi is a reliable and experienced partner for housing companies

Satisfied customers have made us the largest and most reliable player in the industry, and our responsible approach sets the standard for the entire industry.

Tiivi is the best option for housing companies of all sizes

Tiivi will change your perception of window renovation with the most innovative products, comprehensive services and skilled experts in Finland. We are also currently the only window and door manufacturer in Finland that recycles 100% of the material left over from old windows and doors, and we also offer maintenance services for housing associations for all window brands.

Proven best installation and project management

Our installation work is the only one in Finland to have achieved ISO 9001-2015 quality certification.

The most innovative products on the market

As a strong professional in renovating windows in apartment buildings and terraced houses, we always have the right solutions for your needs.

The most reliable and professional partner

Our window renovations are hassle-free for the deputy landlord, the housing company and the residents.

Our experts serve at all stages of window renovation, from planning to implementation

Ask anything about window renovation, request an early quote for budget, or get help with the various stages of the procurement process. You can also benefit from the experience of a professional to help you plan your future window renovation and define the specifics of your project.

The most comprehensive recycling service in the industry

Tiivi’s recycling service is a hassle-free solution for housing companies, which means that all the waste from window renovation is recycled.

Regular maintenance saves money

Regular maintenance of windows and doors maintains the comfort and safety of your home. Tiivi’s maintenance covers windows from all manufacturers.

Decades of experience in window renovation for housing companies

We have improved the living comfort of hundreds of thousands residents by renovating housing companies with millions of environmentally friendly windows and doors made for rough conditions in Finland.

A clear vision for sustainable development

As part of the Pihla Group, we are committed to a responsible operating model based on the UN Sustainable Development Goals.

We want our operations and products to set an example for the whole industry and contribute to a better and more sustainable future.

Explore our reference projects (in Finnish)


Kerrostalon ikkunaremontin yhteydessä päivitettiin myös ilmanvaihto.