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Zelenka Brandschutztechnik
Manufacture, installation and maintenance of glazed fire doorsets for Berlin-Brandenburg.
Top companies · September 2026
Zelenka manufactures fire and smoke protection closures — timber, steel and aluminium fire doors and fixed or self-closing fire-resistant glazing to EI30 and EI90 — at its own works in Hennigsdorf, and installs firestopping and intumescent steel fire protection from its Berlin branch. Production is subject to Fremdüberwachung at least twice a year by the Überwachungsgemeinschaft Feuerschutz Berlin-Brandenburg and by ift Rosenheim, on the basis of DIBt approvals, and it holds ift Rosenheim certificates of constancy of performance for the Schüco and WICONA systems it fabricates. It carries out around six hundred fire protection maintenance jobs a year.
- Hotels & hospitality
- Healthcare
- Public & civic
- Transport
- Industrial & logistics
- Sport, leisure & culture
- Mixed-use
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Public & civic
Deutscher Bundestag
Berlin
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Public & civic
Bundeswirtschaftsministerium Berlin
Berlin
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Sport, leisure & culture
Deutsches Historisches Museum Berlin
Berlin
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Healthcare
Charité Berlin
Berlin
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Transport
Flughafen Berlin Brandenburg International
Berlin
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Mixed-use
Sony Center Berlin
Berlin
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Projects as published on Zelenka Brandschutztechnik's own website.
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Hauptsitz & Fertigung
Hennigsdorf, Brandenburg
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Niederlassung Berlin
Berlin, Berlin
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