Master SQ

Suitable for open plan offices, or other premises where strict demands are made on good acoustics and speech intelligibility. For applications where a suspended ceiling with a concealed grid is required, but individual tiles must be easily demountable.


Suitable for schools, open plan offices or other premises where strict demands are made on good acoustics and speech intelligibility. The tiles are bonded directly to the soffit surface. Ecophon Master SQ is installed with a gap between each tile, creating a ceiling with a smooth appearance. The tiles are not demountable.

Ecophon recommends Connect Absorber Glue for a quick and easy installation.

Features and benefits:

  • The tiles are manufactured from high-density glass wool.
  • The visible surface has an Akutex™ FT coating, and the back of the tile is covered with glass tissue.
  • The edges are painted.
  • The weight is approximately 5 kg/m².

General information



High-density glass wool





600 x 600 mm

1200 x 600 mm


Uniclass 2015

Ss_30_25_22_70 Raft or island suspended ceiling systemsPrimary


K40/10 Suspended ceilings

K40/105 Suspended ceiling system

K40/115 Unit/ modular suspended ceiling system

K40/265 Infill units

K45/12 Existing suspended ceiling system

K45/120 Existing suspended ceiling system

K45/160 Board-suspended ceiling system alterations

Specification data - Raft or island suspended ceiling systems Enhanced data

Ceiling support

Direct-fix to soffit.

Support fasteners

Connect™ Absorber Glue.

System accessories


Connect Angle Trim.

White (wall-to-wall ceiling).

Connect Wood Trim.

White (floating ceiling).

Ceiling units

Wall-to-wall ceiling/ floating ceiling.

Size (l x w)

600 x 600 mm.

Exact size: 592 x 592 mm.

1200 x 600 mm.

Exact size: 1192 x 592 mm.

Tile thickness

40 mm.

Colour/ Finish

Cloudy Day.

Nearest NCS colour sample S 1500-N, 62% light reflectance.

Dark Diamond.

Nearest NCS colour sample S 9000-N, 4% light reflectance.

Eucalyptus Leaf.

Nearest NCS colour sample S 5010-B30G.

Fresh Clover.

Nearest NCS colour sample: S 3020-G40Y Light reflectance: 35%.

Goji Berry.

Nearest NCS colour sample S 3030-Y80R.

Show more


5 kg/m².

approximate, including grid

Overall depth of system (minimum)

43 mm.

Indoor climate

Recommended by the Swedish Asthma and Allergy Association. Certified as A+ by French VOC. Emission classification of building materials: M1.

Moisture resistance

Class A, relative humidity 70% and 25°C, according to EN 13964:2014.

Fire safety

To BS EN 13501-1, Class A2-s1, d0.

Sound absorption

To EN ISO 11654, Class A.


The ceiling system can withstand daily dusting and vacuum cleaning, and weekly wet-wiping.

Product Reference

Master SQ

Environmental information

Contains Red List materials

All Ecophon products are free from substances of very high concern (SVHC) and any compound on the list of REACH in the EU.


Country of material origin

Sweden, Finland or Poland.


Embodied carbon

7.04 kg CO₂ equiv/m², in conformity with ISO 14025/ EN 15804

Recycled content


Similar products from Saint-Gobain Ecophon