GG 100 Slide




JOKA-System GmbH

Experience the unique terrace roof world with an open top feeling:

We, the Joka-System GmbH, are the European market leader in the production of glass sliding roofs.
Jochim Kalbfleisch, the director of the company, developed the state-of-the-art sliding roof system “Vitello-Flex” in 2009. From that time on, we constantly respond to technological advances. Meanwhile we are not only able to call the well-tried “Vitello-Flex” proudly our own, but also his innovative successors. Currently, we are cooperating European-wide with our “Vitello-Flex” dealers.
Our glass roofs are characterized by an optimum combination of high-quality, functionality and elegant design: All constructions are certified according to DIN EN 1090 and are produced in our own factory in Delmenhorst, Germany.
An assembly belt production is completely eliminated: Each roof is manufactured individually to measure according to your requirements.
We offer you an almost unlimited flexibility and liberty in the design of your dream roof.

Glass sliding roof:
Experience an open top feeling with our unique Vitello-Flex glass sliding roof and its innovative technology. We are not only talking about the ideal solution for you terrace, but also for your balcony or penthouse.

Motor-driven glass sliding roof:
Thanks to high-quality technology, our Vitello-Flex-Plus glass sliding roof offers you the possibility to react to all weather conditions via push button.

All-glass elements:
The GG100 Slide frameless sliding glazing with an impressively simple handling provides safety and transparency at the highest stage.

Terrace roof:
Our Vacanza glass roof offers you a carefree feeling of freedom. Your garden will shine in new splendor.

Sliding terrace fan:
Manual terrace fans easily reduce the heat accumulation under your glass roof.

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