Product description



  • High acoustic performance
  • Good damping characteristics
  • Class 0 fire rated
  • No need for spacing layer


SIDERISE® ‘DPF/RL’ series acoustic barrier for ductwork comprises a flexible resin bonded rockfibre lamella mat with an outer heavy polymeric acoustic membrane. The exposed surface of the product is finished with a Class 'O'
reinforced H & V aluminium foil. The rear is finished with an anti-dusting flexible polymer net.

Brochures, press releases, catalogues, technical data sheets