Acoustic insulation materials 

  • Isol Silsonic BRt 400 is a multi-layer heat and sound insulation material made from class 1/F1 thermo-linked polyester fibres (Silsonic see page 12) with a pliable and flexible elastomeric barrier inserted, also in class 1. More information
  • Isol Silsonic BRt 401 is produced by inserting a pliable and flexible class 1 elastomeric high density barrier between two layers of class 1/F1 thermo-linked polyester fibres (Silsonic see page 12). More information