dormakaba
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Energy-efficient, fine-framed sliding door ST FLEX Green with ES 200

The ST FLEX Green sliding door illustrates dormakaba's commitment to increasing energy efficiency and thus to improving the sustainability of buildings. Despite its slender profile design, the ST FLEX Green comes with outstanding thermal insulation, as confirmed by the German testing, surveillance, and certification body "ift Rosenheim".

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Product details

German Building energy regulations (GEG)

Even the smallest ST FLEX Green door system meets the requirements of the German Building Energy regulations (GEG), which specifies a vertain UD value (thermal transmission co-efficient) for complete door systems. 

Reduced CO2 emissions

As a highly energy efficient solution, the ST FLEX Green sustainabilty reduces day-to-day energy and heating costs and cuts C02 emissions.

Durable and robust system

Despite its slim profile system with thermal insulation, the ST FLEX GREEN is extremely solidly constructed.