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BEL CSO 40/S4927 - 1 Bel BA13 - GW80

Sound absorption ceiling with 1 x 12,5 mm PregyBel board fixed to galvanized steel frame made of 28-28-28 mm U tracks and 27-49-27 mm S4927 channel at 40 or 60 cm spacing with hangers at 120 cm. 80 mm glass wool in the cavity.


  • Used to enhance the acoustic comfort of large open spaces and to control sound reverberation
  • Used where services are required below the soffit
  • New buildings and renovations