Ceiling acoustic hanger system for premises with sound emission between 80-90 dBA and daytime

  • Acoustic Insulation: Lana de roca/Polietileno reticulado con membrana acústica

Acoustic Insulation


Acoustic Insulation


Noise protection

Suspended ceiling

  • 1 Slab
  • 2 Plastered
  • 3 Rubber acoustic hanger
  • 4 Plasterboard structure
  • 5 Rock wool acoustic insulation
  • 6 12.5 mm plasterboard
  • 7 Acoustic insulation FONODAN® 900 or M.A.D.®
  • 8 12.5 mm plasterboard


  • Acoustic insulation achieved DnTA > 60 dBA.
  • Plastering ensures the tightness of the system.
  • Mass-spring-mass system with medium and high frequency absorbing.
  • CONFORDAN® 900 or M.A.D® 4 between boards shifts the resonance frequencies of the system towards less audible frequencies.
  • Its thermal insulation capacity can be improved by increasing the thickness of the mineral wool.
  • The cavity may be the minimum allowed by the premises.
  • The rubber acoustic hanger prevents excitations of mid-low, medium and high frequencies.
  • Light system better for structural strength and faster execution.
  • Application

  • Sound emission premises 80-90 dBA with daytime: coffee shops, restaurants, bars, nurseries.
  • Theaters, auditoriums, music schools: central building and teaching classrooms.
  • Commercial basses: supermarkets, printers, workshops and builders.
  • Cinemas.
  • Radio studios.
  • Graph

    Technical Requirements

    Anti-resonant acoustic insulation and cushioningCONFORDAN® 900Cross-linked polyethylene foam and high-density membraneΔRA between rigid elements5 dBA
    Acoustic insulation absorbent at medium and high frequenciesRock woolRock wool panelRA40 - 61 dBA


    Note: This sheet is included in an acoustic box-in-box system.

    Unit of Work

    Ceiling acoustic hanger system for premises with sound emission between 80 and 90 dBA and daytime hours consisting of:

    Plastering of the roof; Rubber acoustic hanger attached to the joist with a steel anchor plug and ø 6 rod; plasterboard structure of double profiles with mineral wool deposited on the structure of 70 kg/m³ density and 40 mm thick; placement of 12.5 mm plasterboard fixed to the structure by means screws; self-adhesive bilayer sheet, CONFORDAN® 900 or M.A.D.® 4; fixing to the structure of the second plasterboard of 12.5 mm thickness by means screws, fully sealed and installed, ready to install a decorative suspended ceiling.

    System documentation download TEF1

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    Project data

    Installation video