The transparent solution for noise Protection. Exolon® Silent Sound is a product specially developed for sound wall applications that meet the acoustic requirements for noise reduction, the impact requirements from bridges, and pedestrian overpasses being virtually unbreakable, and fire requirements with self-extinguishing properties. The service life of around 50 years can be expected without having the material experiencing adverse effects from weather or having its resilience compromised. For high traffic areas, Makrolon Silent Sound BF AR is finished with an abrasion-resistant anti-graffiti coating.