Descending Windows

Descending Windows

Uncompromisingly open, effortlessly weightless and gigantically powerful – descending windows are indisputably a highlight of any architecture. Metallbau Kollegger is official distribution partner of HIRT swiss descending windows. 

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Metal construction

Metal construction projects

We are your trusted partner for retractable glass facades, facades, roofing and winter gardens, carports as well as banisters.

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Your specialist for metal construction design and descending windows

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Where you can find us

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