Schrage spares

Schrage spares

More light indoors, a great view out: roof chambers with mini hatches have had their day. To use the topmost room roughly, to illuminate it opulently by lightlessness and to equip it chicly and practically, is chance and challenge at the same time. As an installation around the skylight now presents itself as a design option in infinite variations with infinite possibilities.

The common denominator is always maximum functionality: all of them have sturdy hinges, are equipped with intelligent mechanisms and can be ruffled up with ingenious attributes such as child-proof locks or heat dams. Which format fits where and which version is practicable when, has to do with personal preferences, atmospheric desires and structural requirements.

Already sloping

Illumination from the very top is also possible. For flat pitched roofs, flat skylight windows are the optimal solution. They partially replace the ceiling and provide both opulent light incidence and exciting architectural accents – with or without opening options. The pinnacle: the over ridge glazing.

At accessible heights, however, swing windows are considered the classics. They have their axis of rotation in the center of the window, can be opened and closed by top operation, offer direct air to light and are ideally suited for rooms in which furniture is also often placed under windows. With a lot of free space in front of the opening, so-called hinged-swinging windows work, which invite you to step right up to them and look out. The favorite format of purists and those who enjoy the view can be opened upwards at a rough angle and guarantees an unobstructed view of the open air.

Downward extension

In the case of a roof space with an eaves wall extending into the attic, it is also possible to extend the width downwards: the window combination from the knee storey through the skylight to the ridge is called a light band and, with an almost continuous glass surface, provides maximum illumination and a great view. Roof outlets with fold-out balconies also offer floor depth plus: such a two-part skylight can be opened manually upwards to above head height and downwards to floor depth, so that a balcony-like opening is created in the skylight. For safety reasons, safety hinges automatically fold out at the sides of the unit.


The built-in dormer also offers light plus space: characteristic for this additional small living space is a vertical window, which is integrated into the roof analogously to the roof pitch. Their format, which grows out of the roof, allows particularly subtle incidence of light.

As formats, triangular windows, arched windows, portholes and also floor-to-ceiling variants were used, which in turn also allow coarser-format loggias with a really large window area.

A roof terrace with floor-to-ceiling panoramic windows instead of a wall is considered to be an optimal use of the slope in the roof or as a continuation of the eaves wall and defines a particularly space-saving, but also particularly appealing outdoor platform. Naturally, skylights can be combined with electric drives and controlled by remote control – especially practical for high windows that are not easy to reach when standing upright. Intelligent controls are also on the market.

Rain sensors, for example, automatically close windows when necessary, and ventilation times can also be set to generate a pleasant indoor climate, especially in summer. The clou for individualists and perfectionists: integrated into an individual smart home system, everything can be controlled from anywhere – via cell phone, tablet and co.


Renovation, redevelopment or extension announced? Sometimes a building permit is required for the installation of roof windows – especially if a room is used in a different way than before the approval. Because requirements vary from state to local building codes to skylight type, a call to the local building department can help.

Equally interesting: as part of a renovation project, homeowners will receive a request for new skylights from the k. The general rule is: for sustainably beautiful, safe and functional window solutions, always ask the experts – and have the experts install them. 

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