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. The tiles are manufactured from high density glass wool utilizing the 3RD Technology. 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. Ecophon recommends Connect Absorber Glue for a quick and easy installation.