Get a Quote

KNAUF Ceiling Solutions Armstrong Perla OP

KNAUF Ceiling Solutions Armstrong Perla OP mineral ceiling tiles provide a smooth white laminated finish, and with excellent Class A sound absorption and good sound attenuation. They are the ideal solution for both open plan and corridor applications.


Data Sheet

Ideal solution for open spaces and corridors

Perla OP tiles’ smooth and flat finish offers high light reflectance for brighter spaces and increased energy savings. With excellent sound attenuation and clean room performance, this product is hits a versatile balance, making it suitable for a wide range of applications requiring specific acoustic and hygiene performance.

Key Features


Mineral Fibre

Sound Absorption

NRC = 0.90

Sound Attenuation

CAC = 25 dB


2.6 kg / m²

Humidity Resistance

RH 99%

Clean Room


Recycled Content



Dry or moist cloth

Application Areas

  • Commercial Offices
    Improve working productivity over hard surface ceilings by absorbing and attenuating unwanted noise

  • Education
    Improve learning quality with better acoustics in the classroom

  • Retail Manufacturing
    Minimize distraction and improve retail experience by treating excessive noise reverberation
  • Healthcare
    Improve indoor noise ambience levels for an ideal for healing environment

  • Corridors & Lobbies

Related Products