Attestation of FDES verification (EN)

This document is a verification attestation for the Environmental and Health Declaration Sheet (FDES) of the Flexalen 600 pre-insulated flexible duct systems, used in domestic water and heating/cooling networks. Verified by Marcel Gómez Ferrer, an independent third-party verifier under the INIES program, the attestation confirms compliance with NF EN 15804+A2 standards. The verification was conducted in January 2025, and the attestation remains valid until December 2030. Thermaflex Isolatie B.V. is responsible for the declaration's integrity.