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    The Illwerke Zentrum Montafon building has a wood facade and many windows, next to a green meadow under a clear sky (Norman, Müller).
    Your timber construction project in the best hands
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Services
Construction
Building construction
Civil engineering
General and full-service contractor
Modular construction
Construction support services and small construction works
Conversion & renovation
Real estate and location development
Location search
Analysis & evaluation
Project development – residential
Project development – commercial
Construction & project management
Marketing & finance
Construction material and recycling
Quarry
Demolition and deconstruction
Recycling and Disposal
Asphalt
Beton
Rhomberg Energie
The Holistic 360° Potential Approach for Your Building
360° Energy Concepts
Rooftop Photovoltaic Systems
Building-Integrated Photovoltaics
Charging Solutions
Photovoltaic Carport
Energy and Load Management
Services
Real estate consultancy & management
Real estate management
Integrated Planning
Products
DAVID Microliving
Smart Balkon
Employee Housing
Rhomberg for private customers
Timber Construction
The Illwerke Zentrum Montafon building has a wood facade and many windows, next to a green meadow under a clear sky (Norman, Müller).
Your timber construction project in the best hands
Learn more
Multi-Storey Residential Construction
Office, Administrative and Commercial Buildings
Care – Nursing and Healthcare Facilities
Daycare Centres and Educational Buildings
Hotels
Densification & Rooftop Extensions
Serial Thermal Renovation
Career
A smiling man wearing glasses and a jacket, holding a white hard hat with the Rhomberg Bau logo (positions).
Current job vacancies
Learn more
This is who we are
Job portal
Rhomberg as an employer
FAQ & Contact
About us
Company
Organisation
History
Mission statement
Locations
Certificates and awards
Responsibility & commitment
Compliance
Our Integrated Management System
Innovation
Modern building interior with warm wooden walls and ceiling, featuring linear LED lights and black support columns (interior, Illwerke, center, Montafon).

IZM “Illwerke Centre Montafon” - Vorarlberg, Austria

The Vorarlberger energy service provider illwerke vkw sets new architectural and ecological standards with its new water-power competence centre in Vandans, Montafon (Austria). The IZM, which is 120 m long, 14 m wide and 21 m high, has been designed by architect Hermann Kaufmann in the wood-modular construction system, tried and tested at the LifeCycle Tower by Cree. The building combines classical office architecture and engineering of modern timber constructions.

Client:

illwerke vkw, Bregenz

Location:

Vandans, Austria

Architecture:

Hermann Kaufmann ZT GmbH, Schwarzach

Company:

Rhomberg Bau, Cree Buildings

 

Construction period:

3/2012 - 7/2013

Volume:

wood-modular construction system, 120 m long, width 16 m and height 21 m

This unique building serves as the headquarters for an energy provider, impressively blending into the landscape with its 120-meter length. It dominates the lake area and showcases the versatility and aesthetic potential of wood-hybrid construction. The Illwerke Centre, built in 2013, was a significant advancement in innovative building techniques, featuring 2,000 m² floor levels erected in just 7 days. The building also includes a company restaurant and a visitor center, demonstrating various interior design possibilities.

It was the first ecological building of its size in Vorarlberg and remains one of the world's largest office buildings in wood-hybrid construction, certified DGNB/ÖGNI Platinum.

The Illwerkezentrum Montafon building, an extensive timber and modular construction, reflected in the still lake on a sunny day (system construction).
The Illwerkezentrum Montafon building, an extensive timber and modular construction, reflected in the still lake on a sunny day (system construction).
Modern building interior with warm wooden walls and ceiling, featuring linear LED lights and black support columns (interior, Illwerke, center, Montafon).
Modern building interior with warm wooden walls and ceiling, featuring linear LED lights and black support columns (interior, Illwerke, center, Montafon).
https://www.rhomberg.com/en
Rhomberg Bau
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  • Mariahilfstraße 29
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  • T. +43 5574 403-0
  • F. +43 5574 403-2020
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