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References Windows, Doors, Facade

Here you can find an excerpt of our references from the industry around windows, doors and facades.

Our references

We have cooperated with the following companies in the window, door and facade industry:

aluplast GmbH

aluplast Gruppe is one of the largest and most innovative international manufacturers of plastic window systems. aluplast is currently active worldwide with 21 production and sales branches and counts around 1,600 companies among its customers, who together produce more than 10 million windows per year.

Paul Bauder GmbH & Co. KG

Paul Bauder GmbH & Co. KG in Stuttgart is the leading manufacturer of roof systems in Europe and has been owner-managed for over 150 years. Around 700 employees work in the main plant in Stuttgart and in five other plants. In Germany, the waterproofing for every fifth flat roof and every fifth rafter-mounted thermal insulation is now supplied by Bauder.

Eternit Österreich GmbH

Eternit Österreich GmbH, headquartered in Vöcklabruck, Upper Austria, is a traditional Austrian company that produces fibre cement products for roofs and facades. Eternit Österreich GmbH is the Austrian market leader in the steep roof sector. The product range extends from roof and façade systems to plant containers and interiors.

HOPPE Holding AG

HOPPE is a Swiss group of companies that develops, manufactures and markets hardware systems made of aluminium, stainless steel, brass and plastic for windows and doors. It employs more than 2600 people in seven plants in Europe and the USA. Since the mid-1970s, the company has been the European market leader in its segment.

Rehau Gruppe

Rehau Gruppe is a globally active polymer processor with 20,000 employees at 170 locations and headquarters in Muri near Bern. As a premium brand for polymer-based solutions, REHAU is an international leader in the construction, automotive and industrial sectors. REHAU also conducts industry-specific, customer-oriented research, develops new materials, formulations and processes and brings them to series maturity.

Schüco International KG

Schüco International KG is a construction supply company based in the East Westphalian town of Bielefeld. Schüco International KG develops and sells systems for building envelopes - including single-family and multi-family houses, commercial and industrial buildings - and is active in more than 80 countries with around 4,750 employees.

SFS intec AG

SFS intec is a company for mechanical fastening systems and precision components. Its headquarters are located in Heerbrugg, Switzerland. SFS employs around 9,000 people worldwide. Based on the core technologies of cold forging, deep drawing, plastic injection moulding and blind riveting, the SFS Group supplies various sales markets.


Siegenia Gruppe is a German company headquartered in Wilnsdorf-Niederdielfen, Germany, which manufactures and supplies a comprehensive portfolio of products and systems that provide room comfort. These include hardware technology for windows and French windows as well as motor and sensor technology for the automation of ventilation and building technology.

Innovations around windows, doors and facades
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