Aluminium sliding door

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Ulflingen, Luxembourg
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Aluminium sliding door



The KELLER GLASSHOUSE® is a perfect match for contemporary architecture. Transparent expanses and the slimline profiles of the minimal windows® sliding system combine with the typical flat roof to create the unique character of the glass house.
Exclusive materials, perfect surface finishes and the elegant slimline architecture of the KELLER GLASSHOUSE® radiate high quality and refinement. Indoors and outdoors flow almost seamlessly together to create a very special spatial feel.

Inside - outside
This linking of living spaces has always been the objective of a home conservatory and has reached perfection in the GLASSHOUSE.
The minimalist minimal windows® sliding and fixed windows reduce the frame profiles to the absolute minimum and offer a maximum quantity of what you really want from a glass house – glass and transparency.


The elegant, clean-cut flat roof is a perfect fit for the minimalist architecture of contemporary living concepts. On request, the flat roof can be combined with a glass dome or an inset glass flat roof to let in even more light.
The KELLER GLASSHOUSE® thus achieves outstanding energy values at the passive house level. Along with low energy use, this also provides a pleasant living atmosphere at all times of the year.
In addition to the traditional extension of living space, the conservatory may house an indoor pool, provide an exclusive garden setting or create a space for high-end cuisine.

Roof form
special flat roof construction with glass dome or flat roof insert.
unlimited floor area, building height: up to 4.50 m
Side elements
minimal windows® (double-glazed) or minimal windows®4+ (triple glazed ≥  0.70 W/m²K)
Uw of overall construction
0.62 to 0.82 W/m²K

Further info from manufacturer on KELLER GLASSHOUSE®
Further details
Trendsetter in form and function
The flat roof construction developed by KELLER in accordance with the ORANGERY Elegance® concept has decisive advantages over conventional glazed single-pitch or gable roofs. The visually appealing extension to existing houses is simpler, since the height of the existing eaves height does not limit or even hinder the configuration and size of the home conservatory.
Due to its good insulation and reduced glass surfaces, the flat roof of the KELLER GLASSHOUSE® reduces the heat irradiation and thus the required cooling power in summer. There are also energetic benefits in winter due to the lower energy costs on account of the good isolation values of the roof, the glazing and the highly insulated KELLER profile systems.
Roof projections offer ideal possibilities for the integration of glare protection or solar shading. Both the lateral sun exposure and the beat of the rain against the side windows can be reduced.
The desired incidence of light can be individually planned by the size, shape and arrangement of ribbon windows and light domes.
The roof also offers many possibilities on the inside to create an individual atmosphere by installing suitable lighting.
There are visually appealing design variants for the layout of the eaves profiles.

Maximum transparency with KELLER minimal windows®
The desire for transparency and light-flooded rooms in residential buildings and home conservatories led to the development of large sliding elements.
The lean and in some cases minimalistic facing widths of the insulating aluminium profiles open up other virtually frameless views.
The KELLER minimal windows® design sliding system with its particularly slender profiles blends almost invisibly into the home conservatory in the KELLER GLASSHOUSE® design.

Boundless individuality
The specialty of the KELLER GLASSHOUSE® lies in the countless possibilities that it offers the planner (architects, engineers or owners) for planning their personal object, which stands out not only due to the roof construction, but also due to the room layout, the arrangement of the gable and the interior decoration.
The KELLER GLASSHOUSE® thus meets the highest requirements and integrates itself harmoniously into every environment.
The combination of flat roof and design sliding elements has a harmonious design that can also reconcile the classic and the modern.
Unobtrusive and yet present, the GLASSHOUSE® from KELLER stamps an individual character on the property.

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