Coffered Open Cell

Coffered Open Cell

Coffered Acoustic Tile Range

Coffered Open Cell plaster acoustic ceiling tiles are manufactured from reinforced casting plaster and offer excellent sound absorption, controlled sound transmission and decorative finishes.

The tiles are supplied with an attached acoustic fabric and sound absorbent batt inserted at the back of the tile. These tiles are pre–painted white.

Tile Features

  • Coffered tile, perforated with a set of 25 x 25 circular holes, 15 mm in diameter at the mouth, tapering to 13.5 mm at the rear. Holes are at 19.2 mm centres.
  • 33mm thick perforated moulded plaster tile at border, 16mm in centre
  • Insulated with 20 mm Supertel 32Kg/m2 glasswool with black fabric to the back
  • To be used in conjuction with ceiling grid exposed 24mm T Bar steel or aluminum 600 x 600

  1. Full acoustic perforations
  2. Simple installation screw fix to steel or timber battens
  3. Flush jointing
  4. Precise lines
  5. Three unique and innovative designs
Tile Benefits
  • High sound absorption
  • Reduces noise reverberation
  • Unique and innovative designs which can only be achieved with cast plaster
  • Prevents dust entering into room space
  • Reduces echo
  • Able to help to distinguish between music and speech

Coffered Open Cell Properties

Tile Thickness 13 mm Border 30 mm
Size 600mm x 600mm
Open Area 24.9 %
Mass 12.5 kg/m2
R Value 0.80
Light Reflective 0.78 %

Acoustic ceiling tiles are supplied underside of tile sealed off with a plaster skim coat as standard. Please contact us for unsealed options.

Coffered Open Cell

Sound Absorption Test Results

AS ISO 354–2006 “Acoustics–Measurement of sound absorption in a reverberation room”
AS ISO 11654–2002 (ISO 11654:1997) “Acoustics–Rating of sound absorption–Materials and systems”

Coffered Open Cell Results
αw = 0.80
SAA = 0.80
NRC = 0.80

Acoustic Test Results

Insulation Thickness 20 mm
αw 0.80
SAA 0.80
NRC 0.80

Download Reports

Rondo Suspension System

Tile Installation Guide

Duo 1/Duo x 1200 Duo2/600