FLOOR COVERING WITH IMPROVED SOUNDPROOFING PROPERTIES

摘要

A floor covering characterized as having a strong noise-reducing properties for the interior trim of means of transport. The floor covering has, on the passenger side, a textile or non-textile surface, acoustically coupled through at least one microperforated sheet to a fibrous non-woven and/or foamed plastic. A microperforated sheet having a hole diameter from 0.2 to 0.5 mm and an interhole distance from 3 to 7 mm.