Monday, 23 March 2026

Ab 8:30: TUtheSky foyer: Registration and coffee
9:00–11:00 TUtheSky Hall: Session 1: Framework conditions for a circular city
Chair: Susanne Formanek, President of IBO, Vienna
Circular economy as 1. a strategic pillar for the transformation of emission- and resource-intensive industries, 2. a driver of competitiveness through the expansion of Austria’s pioneering role, 3. a prerequisite for long-term security and resilience.
Katharina Rogenhofer | KONTEXT Institute for Climate Issues, Vienna
Circular Urban Industopia – the vision of a circular city
Meike Hagemann | Vienna University of Technology
M_hub: Web-based platform for inventory management
Iva Kovacic | Vienna University of Technology
Panel discussion:

  • Bernadette Luger | City of Vienna: Municipal Department of Construction and Technology;
  • Hildegund Figl | IBO Vienna, and the speakers … (all to be confirmed)
Welcoming addresses:

  • Volker Schaffler, Isabella Warisch, Hannes Warmuth | BMIMI Federal Ministry for Innovation, Mobility and Infrastructure (to be confirmed)
  • Karin Stieldorf | TU Vienna, Institute of Architecture and Design
11:00–11:30: Coffee break
11:30–13:00 TUtheSky Hall: Session 2: Continuing to build in (industrial) existing structures
Chair: Martin Huber | Bau.Energie.Umwelt Cluster Lower Austria
Brownfield development as a catalyst for sustainable transformation: insights from DELTA Group projects in Central and Eastern Europe
Wolfgang Gomernik|DELTA Ukraine
Renovation of the Gründerzeit building at Fernkorngasse 41 with ecological building materials, decentralised wastewater heat recovery, highly efficient building envelope and deep boreholes on public land
Helmut Schöberl | Schöberl & Pöll, Vienna
Kathi & Theo – The story of an unusual friendship. Between concrete and movement
Laura Farmwald | smartvoll Architects, Vienna
Discussion on the following topics: []
13:00–14:00: Lunch break
14:00–16:00 TUtheSky Hall: Session 3: New life in old walls
Chair: N.N. | M.
Sustainable renovation in Lavin and research with Eurac Research: hemp bricks, interior insulation and the InRenova project
Werner Schönthaler | Schönthaler Bausteinwerk GmbH, Eyrs, Italy
Renovation of the Finowfurt village community centre
Manuela Mathäs; Dag Schaffarczyk | Spreeplan Berlin
RIEM – Sustainable, ÖGNI-certified renovation and extension of a listed courthouse into a hotel and residential building in Vienna city centre
Annekatrin Koch | Larix Engineering, Vienna
Prunerstraße update: Approaches, challenges and planning aspects of a post-war modernist office building as a future science location for the University of Art and Design Linz
Michael Rieper | University of Art and Design Linz;
14:00–16:00 Seminarr room BA 10A: Workshop 1: [RENOWAVE]
Chair: N.N.| M.
Registration
16:00–16:30: Coffee break
16:30–18:30 4:30–6:30 p.m. TUtheSky Hall: Session 4: Circular economy and renovation at the component level
Chair: N.N | M.
Research project “Kon-Wert”: Contaminated wooden components as recyclable materials in reuse – secondary material recovery based on a project in the Alpine region to reuse existing building materials on site.
Axel Laimer-Liedtke | Dietrich Untertrifaller Architects, Vienna
Reuse of timber frame components from prefabricated/timber houses: A great opportunity for the circular economy in construction?
Ulrich Pont | Vienna University of Technology
The “Viennese box window” – a success story
Tobias Steiner | IBO ; Katrin Keintzel-Lux | baukanzlei, Vienna; Gregor Radinger | Danube University Krems
Thoughts and evidence-based approaches to the importance of windows, their maintenance and modernisation, as well as ventilation in the sphere of existing buildings.
Team of speakers from TU Vienna and Holzforschung Austria
 
16:30–18:30 4:30–6:30 p.m. Seminar room BA 10A: In-depth session: Renovation in practice
Moderator: TBD | M.
Condition analysis and leak testing in existing buildings – ensuring quality, conserving resources, promoting sustainability
Gordon Denner | FLO Systems GmbH, Kressbronn, Germany
Pollutants in building fabric: identifying risks and involving experts
Bernhard Damberger | IBO Innenraumanalytik Vienna
Retrofit IntelligenceTM for sustainable buildings and neighbourhoods – renovation, densification and circular thinking with blue auditor
Elena Graf-Burgstaller | blue auditor GmbH, Vienna
The renovation coach as a game changer
Heinrich Schuller | Baurettungsgasse, St. Pölten
 

Programme subject to change!