FROM GRAND PARIS TO PARIS EN GRAND

This is the vision of “a new model of global metropolis” developed by Roland Castro in the report submitted to the French President. One of our ambitions is to extend Paris beyond its historical boundaries, while building a “metropolitan oasis”.

This is the background to architect and urban planner Antoine Grumbach’s contribution, in which he asserts that “ inert soils are a material of the circular economy” and that their reuse is one of the challenges of a concerted development of “Greater Paris”.

As a major player in the reuse of inert soil, ECT is fully committed to this approach.

Latest news

ECT Icone ouverture de site
16/09/2026

Start of soil deliveries for the Carrières-sur-Seine project (78)

Opening of a new ECT facility in Carrières-sur-Seine (78) Since September 21, ECT has been accepting inert soil (K3) at its new facility in Carrières-sur-Seine. This facility offers construction companies

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Projet Carrières sur Seine ECT
20/07/2026

New ECT Project in Carrières-sur-Seine

In Carrières-sur-Seine (78), ECT is securing a hazardous site and rehabilitating vegetable-growing land—all without spending any public funds. ECT leads and implements this projectin partnership with the City of Carrières-sur-Seine,

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ECT ouverture d'un site de réception de terres inertes
18/07/2026

Opening of a location in Fontenay-Trésigny (77)

ECT has opened a new site in Fontenay-Trésigny (77). As of July 20, the site is open for the delivery of inert soil, subject to prior reservation with the sales

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