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Décision n° 499117 - Conseil d'État
The Conseil d'État rejected the request by the national union of mineral wool insulation manufacturers (SN-FILMM) to annul the decree requiring the use of biosourced insulation products for the second and third levels of the 2024 'bâtiment biosourcé' label. The court found no manifest error or violation of equality principles, nor evidence of misuse of power.
Conseil d'État
Date Added
24 June 2026 at 08:30:53
Why it matters
This ruling confirms the legality of requirements for biosourced insulation in environmental building labeling, reinforcing the regulatory framework for green claims in construction and product labeling.
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