The facade of a “depolluting” housing building, presented as the first in France and capable of absorbing the equivalent of the CO2 emissions of 20 cars per year, was inaugurated on Wednesday in Saint-Louis (Haut-Rhin).
The coating of the residence of 51 apartments of the regional promoter Trianon is designed to naturally decompose polluting particles and thus prevent their fixation on the facade, explained the promoter and the DLRW cabinet, architect of the project.
The brick which adorns the building incorporates a cement developed by the manufacturer Ciments Calcia which applies photocatalysis.
That is to say the fact of using light to accelerate the phenomenon of oxidation capable of transforming organic and inorganic substances into "harmless compounds", non-polluting, exposed Damien Cordier, architect and director of DRLW .
The equivalent of "50 trees planted"
Thus endowed with "depolluting, self-cleaning and bactericidal properties", this facade is the first of its kind "for housing in France, according to our research" underlined Damien Cordier, specifying that such processes had already been implemented on tertiary buildings.
This innovation represented an additional cost of 100,000 euros on the 6.5 million euros in the amount of the work, said Cédric Simonin, CEO of Trianon Résidences.
The CO2 absorbed by the Saint-Louis building is equivalent to that of “50 trees planted”, he compared.
If this “working” prototype becomes widespread, it could make a significant contribution to “the objective of building greener cities,” said Cédric Simonin during the inauguration ceremony.
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