By the end of 2021, CD Reef V4 CSTB had been validated for use in living shorelines—from the Mediterranean to Southeast Asia. It wasn’t a seawall or a groin. It was a reef, engineered but ecologically sympathetic, proving that the best defense against rising seas can also look like nature.
The software is primarily distributed through the CSTB Boutique . It is typically offered in different "packs" depending on the user's needs: CD-Reef. Version 3. Technical rules for construction cd reef v4 cstb 2021
The revision of the CSTB evaluation for CD Reef V4 introduced several critical updates compared to prior versions (V1, V2, V3). The construction industry was shifting toward the RE2020 environmental regulation. Therefore, the 2021 dossier focused on: By the end of 2021, CD Reef V4
| Feature | Concrete Tank (Béton) | Plastic Crates (Bacs alvéolés) | CD Reef V4 | | :--- | :--- | :--- | :--- | | | Partial (heavy weight) | Often pending | Full approval | | Weight (per m3) | 500 kg | 25 kg | 35 kg | | Installation Time | 3 days (crane required) | 1 day (manual) | 1 day (manual) | | Storage Efficiency | 80% | 95% | 95% | | Trafficability | Excellent (but rigid) | Poor (requires concrete cap) | Excellent (D 400) | The software is primarily distributed through the CSTB
(Documents Techniques Unifiés) and French standards (NF), to avoid legal disputes or errors. Optimize Project Quality