Abstract
This letter focuses on the technical assessment of new products or systems in the Building sector before being placed on the market in the French and European context. In particular, it discusses the assessment of the durability aspect of innovative products or systems based on cementitious materials that do not meet specifications of standards. After a brief review of the regulatory context and existing assessment procedures, an example of method of assessment is proposed. There are six successive stages, from describing an invention to choosing relevant testing methods and assessment criteria. Thematic fact sheets describing the different kinds of known alteration for cementitious materials and associated performance assessment methods are presented. An applicant and an assessor are invited to expand the scope of their investigation in case of significant technological leap forward that involve the use of a product/system in a field of application that may not be covered by the current fact sheets.
Highlights
1.1 Innovation in the building sectorThe building sector is dynamic and involves various actors who are constantly innovating to meet the challenges of their time and to anticipate those to come in the future
It discusses the assessment of the durability aspect of innovative products or systems based on cementitious materials that do not meet specifications of standards
Thematic fact sheets describing the different kinds of known alteration for cementitious materials and associated performance assessment methods are presented
Summary
The building sector is dynamic and involves various actors who are constantly innovating to meet the challenges of their time and to anticipate those to come in the future. The new challenges for which the sector is mobilized are the climate change, the economy of natural resources, and user health and comfort. In these areas, recent advances have reduced the overall environmental impact of buildings (reduction of the carbon footprint of materials and of construction and renovation processes, improving building energy performance, installing alternative non‐fossil fuel heating systems, etc.). Expectations are high and these innovations must be brought to market quickly In many cases, these new products and systems comply with the specifications of existing standards. “Avis Technique” in France) or European levels (European Technical Assessment accompanied by reference materials for the dimension and execution of appropriate works). This specific technical assessment work contributes over the long term to the creation and revision of standards
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