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SMARTGLASS - Our philosophy is development of unique technologies in the glass industry for contemporary architecture.


Keller minimal windows® a Luxembourg-based company - is a leading manufacturer of designer sliding systems. These innovative sliding windows and doors with virtually no frame are installed, in particular, in higher class private and commercial buildings.

Keller Minimal Windows from AluK has won international recognition as the manufacturer of exclusive GLASSHOUSE® home conservatories with individual designs. Keller Minimal Windows by AluK manufactures products in an 8,400 m² production area in Troivierges, Luxembourg. Samples from aluminum and glass are presented on an exhibition area of ​​over 2,000 m².

The company was founded in 1980 and for over 40 years has specialized in the production of individually designed luxury glazing based on high technological solutions in the field of modern architecture. It employs about 80 employees who, using state-of-the-art technology, prepare high-precision products.

Keller Minimal Windows by AluK is currently represented through a large network of partners around the world. Since 1994 Keller has been authorized to use the "Made in Luxembourg" brand.

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