
Our first voluntary Sustainability Report is here!
2025 marked an important milestone for Tammer — our 30th anniversary. It is a good moment to look back, but even more importantly, to look ahead.
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We are designing and manufacturing over 150 doors for the Loodusmaja (Nature Hub), scheduled to open in 2026. Our contribution includes both profile and sheet metal products designed to meet a range of different requirements such as fire resistance, burglary resistance, sound insulation etc.

Nature Hub is set to host the most modern natural history museum in the Nordic region. In addition, it will serve as a lively community hub and a leading center for environmental education.
The project is financed through revenue from the EU Emissions Trading System and will become Estonia’s largest wooden building, marked by an A-class energy efficiency label.
This unique-looking structure will stand out not only for its scale, but also for its architectural character and sustainable technological solutions.
We’ll keep you updated as the project progresses and look forward to sharing photos of our doors very soon!
Project Lead: Riigi Kinnisvara
Constructor: Nordecon
Architectural Design: Kavakava
Client: Kliimaministeerium / Ministry of Climate of Estonia
Photos: Kaupo Kalda & Tõnu Tunnel