RENOLIT ALKORPLAN's Bright membrane installation at Bordeaux's Auchan Shopping Centre exemplifies cutting-edge sustainable and energy-efficient roofing. This lightweight solution has reduced the building’s air conditioning use by 15-20% with its high solar reflectance. As part of the Group’s Cool3 campaign, the project will contribute to the absorption of 21 tons of CO2.

Sant Celoni, 9th of September 2025 - RENOLIT ALKORPLAN roofing products, a leader in roofing solutions, proudly announces the successful refurbishment of the Auchan Shopping Centre in Bordeaux with its cutting-edge passive cooling waterproofing membrane, RENOLIT ALKORPLAN Bright. This project marks a significant milestone in sustainable architecture and energy efficiency for urban centres.

Architectural challenges and innovative solutions: the transformation of Bordeaux's Auchan Shopping Centre roof.

The Auchan Shopping Centre, a pivotal hub in Bordeaux, faced the pressing need to replace its aging bitumen roofing. Initially installed in sections dating back to 1995 and 2009, the old roof was no longer meeting modern standards of efficiency and sustainability