The system with double glazing impresses in terms of design variants and enables convenient and easy opening and closing of the large sliding leaves.

Large glass façades with a particularly elegant look between two structural floors. The design is impressive, with the concealed installation of the outer frame and a very narrow facing width of the vertical profiles.

The highly insulated sliding window version minimal windows®4+ with triple glazing offers top performance regularly confirmed in test series.

Innovative and reliable. KELLER AG meets the international standards with regard to thermal insulation, security and statics and thus creates ideal living comfort for transparent homes.

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