into a single interface. It isn't just a list of rules; it's a living ecosystem of: Regulations: Mandatory legislative and regulatory texts. Standards: Technical rules like the DTU (Documents Techniques Unifiés)

: Users can access information online via a browser or offline through a USB flash drive, ensuring reliability on job sites without internet. Advanced Search

Thus, when we speak of , we are referring to the specific evaluation number and year that formally recognized this underlayment for use in French and European construction markets.

If a specific technical rule or energy performance regulation changes (like an update to the RE2020 thermal regulations), the tool would notify you if your saved project no longer complies.

: When an amendment modifies a DTU, the change is directly integrated into the original text, providing a single consolidated version to prevent errors. Multimedia Guides : Includes over 115 CSTB guides