What sets Sky-Frame Plain apart is the hidden transition between the inside and the outside that is flush-fitted with the floor. The sliding window glides along a narrow gap in the floor. The space between these tracks is covered by the same flooring as the interior of the room, which reinforces the feeling of a free-flowing transition between indoors and outdoors. As soon as the windows are open, this seamless transition becomes a pleasing experience. With its triple-glazed elements, Sky-Frame 3 with Option Plain is insulated to an optimum standard and can therefore also be installed in cold regions. Its innovative system layout makes maintenance and cleaning effortless, even in installed condition.

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