Every year, the Scientific and Technical Center for Building (CSTB) brings together stakeholders in the construction and renovation sectors for a technical day dedicated to windows and glazing. In 2026, this highly anticipated event is scheduled for March 12th in Paris.
The program includes discussions on the major issues, technical and environmental trends in the sector, with specialists, designers and manufacturers of bay products and associated components.
Organization of the day
Three themes will punctuate the 2026 Bay Products Technical Day:
- Environmental footprint and circularity
- Health and the contribution of natural light
- Summer comfort and natural ventilation
This program, focused on major trends in bay products, will help participants discover, understand and appreciate the technical advances of an innovative sector.
New for 2026, an interactive edition
The CSTB wanted to make this 2026 edition interactive: professionals and journalists are invited to choose a topic they would particularly like to see addressed within the framework of the 1stst The theme of the day is "Environmental Footprint and Circularity". Three topics are offered as a choice:
- Increased product lifespan
- Quality of implementation
- Display of the recycled content rate
A strong desire for openness and interaction for the CSTB, which wishes to fully integrate the sector into its work and reflections in service of the building of tomorrow.
Technical day for bay products
March 12, 2026 – 4 avenue du Recteur Poincaré – 75016 Paris
To register and vote for the theme of your choice:
Selection of products
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