• Locker rooms.
  • Shower areas.
  • Indoor parking garages.


Lay-in mineral ceiling tile range. Ideal for Locker rooms, shower areas and indoor parking garages.

Features and benefits:

  • Textured and perforated body fine painted finish.
  • Steam resistant and will retain its physical integrity even when subjected to 100% relative humidity (RH).
  • Board edge profile.
  • 15-year product guarantee.
  • 30-year system guarantee.

Load capacity:

  • Varies with layout, grid type, tile selected and hanger spacing. Consult manufacturer's technical sales department for details.
  • Fittings exceeding the load capacity or with dynamic characteristics (such as air diffusers) will need independent suspension.


Compatible grids, by edge detail. To be specified separately; consult manufacturer for details.

  • Clean Room 24: Exposed 24 mm co-extruded grid system for clean rooms and non-magnetic areas.
  • Prelude 24 TLS: Exposed 24 mm grid.
  • Prelude 24 XL²: Exposed 24 mm grid.
  • Prelude 24 mm corrosive resistant grid. Recommended when system is to be installed in areas >90% RH.


  • Locker rooms.
  • Shower areas.
  • Indoor parking garages.

General information

Uniclass 2015

Pr_35_93_13_53 Mineral fibre infill unitsPrimary


K40/10 Suspended ceilings

K40/105 Suspended ceiling system

K40/115 Unit/ modular suspended ceiling system

Specification data - Mineral fibre infill units

Product Reference



Insert requirements. Consult manufacturer for BIM/ CAD details.

Edge detail


Module size (w x l, nominal)

600 x 600 mm

1200 x 600 mm

Standard product features

Technical characteristics:

  • Edge detail: Lay-in square edge for 24 mm grid.
  • Thickness: 15 mm.
  • Colour: White.
  • Light reflectance value (LRV): 79%
  • Weight (approximate): 7.3 kg/m², up to 20 kg/m³ when wet.
  • Main runners to be installed at 600 mm centres in high humidity environments.
  • Thermal conductivity: 0.067 W/m·K.
  • Reaction to fire: Euroclass A1 (non-combustible).
  • Recycled content in accordance with ISO 14021 (maximum): 37%.
  • Acoustic absorption (weighted sound absorption coefficient): αw = 0.55.
  • Acoustic attenuation (weighted suspended ceiling normalized level difference): Dnfw = 39 dB.

Acoustic absorption:

Weighted sound absorption coefficient (alpha w). Rating for random incidence sound absorption determined in accordance with EN ISO 11654. Measured values obtained in accordance with EN ISO 20354 are converted into octave bands, plotted on a graph and compared to a standard reference curve until a 'best fit' is obtained. The derived αw will vary between 0.00 and 1.00.

Acoustic attenuation:

Dncw rating derived from laboratory measurement of room-to-room airborne sound insulation of suspended ceiling with plenum above. Rating determined in accordance with EN ISO 717-1 from measurements made in accordance with ENIS0 10848-2 over the third-octave band frequency range 100–3150 Hz.

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