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.

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

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

minimal windows® pivot is an inwardly or outwardly opening pivoted door leaf. The awe-inspiring door construction is available in very large sizes and gives the entrance to your house an impressive look.

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