Cd Reef V4 Cstb 2021 |verified| — Free Forever

The CSTB 2021 tests, conducted using ISO 10140-2 standards, confirmed that CD Reef V4, when combined with a 5cm floating screed, achieves a weighted standardized level difference (DnT,w) of up to 64 dB. This exceeds the French minimum requirement of 58 dB for horizontal circulation in dwellings.

This is where the Reef shines. The heel is a masterclass in design. The rubber is thick, wraps high over the Achilles, and features a subtle "tooth" pattern on the back. Heel hooks on roofs feel locked and secure. Toe hooks are equally impressive due to the generous rubber patch on the top of the toe box. cd reef v4 cstb 2021

The is more than a product code; it is a legal and technical milestone in sustainable drainage. For any project requiring certified, high-load, high-storage underground water management, this combination remains the reference point. The CSTB 2021 tests, conducted using ISO 10140-2