The Flat Roof Access Hatch Comfort Square makes it possible, for the first time, to also use spiral and platform staircases underneath. The 'Square' only takes 45 seconds for the concealed hydraulic drives to silently open the 4m² glass element of the skylight by 70 degrees. The variant does not require any additional space on the roof terrace than its own size in closed form, even when open, thanks to its swing mechanism. Featuring unrestricted use as a natural ventilation device and convenient access to the roof terrace, the indoor climate also benefits from the high energy efficiency, thanks to the thermally broken frame and excellent air tightness values.
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