The CD-REEF V4 (2021) is a specialized digital reference tool published by the CSTB (Centre Scientifique et Technique du Bâtiment). It serves as a comprehensive library for technical regulations, standards, and best practices in the French construction industry. Overview of Features
While the "CD" terminology is still used by long-time professionals, the most reliable way to access these 2021 standards is now via the Batipédia platform. This digital shift ensures that users aren't just looking at a static snapshot from 2021, but can also see how those regulations have evolved into current requirements. cd reef v4 cstb 2021
A 14-story apartment building (112 units) specified CD Reef V4 CSTB 2021 after a previous underlayment failed acoustic testing. The building design required compliance with NRA (Nouvelle Réglementation Acoustique) standards. The CD-REEF V4 (2021) is a specialized digital
False. Only materials with formal CSTB 2021 evaluation include the specific polyurethane binding and granulometry that prevent binder migration and long-term dusting. Generic recycled rubber breaks down over 5–7 years. No foot traffic on screed for 7 days
From "Architecture and Urbanism" to "Building Physics," the tool covers the entire lifecycle of a project. How to Get Started