Effective acoustic solutions are of critical importance in modern architecture. The Kün restaurant Architects sought to identify suitable acoustic materials to incorporate in their design. They were keen on ensuring the acoustic material chosen was as inconspicuous as possible. The material and design had to meet stringent requirements with regard to reverberation time, sound distribution, and speech intelligibility. Various factors had to be considered, such as the material used for floors, walls, and ceilings, ambient interior temperatures, type of furniture, and the number of people. Among the many suggestions submitted by suppliers, Sto's proposal met the specified acoustic and aesthetic requirements best. The StoSilent Distance very high crack resistant board system allowed for the seamless and sound-absorbing design of the ceiling.