

4mm Flame-Retardant Felt – Advanced Performance for Railway Applications
Our 4mm flame-retardant felt offers unparalleled safety and acoustic performance for the railway industry, fully meeting the rigorous European railway safety standard EN 45545-2. Its increased thickness significantly enhances sound absorption, vibration damping, and general protective qualities, making it an ideal choice for demanding railway environments.
Compared to thinner materials, our 4mm felt ensures even greater comfort and prolonged durability, effectively reducing maintenance costs and extending component lifetime. Trusted by leading rail vehicle manufacturers, this felt provides excellent fire safety combined with superior passenger comfort, ensuring quieter and smoother journeys.
Applications – Effective Prevention of Buzz, Squeak, and Rattling
In the railway industry, passenger satisfaction is closely tied to effective management of noise and vibrations. Our 4mm flame-retardant felt delivers exceptional results in:
Benefits of Our EN 45545-Certified 4mm Felt
Outstanding Fire Safety:
Superior Acoustic & Vibration Performance:
Improved Durability & Longevity:
Simple & Efficient Installation:
Customizable Solutions:








Flexible Converting Solutions – Tailored Precisely to Your Needs
At EKO-TECH, we offer comprehensive converting services, supplying 4mm flame-retardant felt tailored exactly to your requirements: