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KNAUF Ceiling Solutions Armstrong Bioguard Acoustic OP RH100

KNAUF Ceiling Solutions Armstrong Bioguard Acoustic OP RH100 ceiling tiles are the optimal solution for rooms with high humidity. Bioguard Acoustic OP RH100 mineral ceiling panels are moisture-resistant up to 100% RH (Relative Humidity). Boasting outstanding noise absorption properties, a washable surface, discreet, high-quality design, and inherent antimicrobial properties, Bioguard ceilings are the ideal solution for places where hygiene performance is essential.


Data Sheet

Engineered for High Humidity Environments

Damp spaces with a high concentration of people are highly susceptible to bacteria and mould growth. KNAUF Ceiling Solutions Armstrong Bioguard ceiling tiles’ anti-microbial surface performance assist with infectious control, with special treatment, ISO Class 3 and FED Class 100 could also be achieved. High sound absorption helps reduce reverberation and quieter spaces, while high sound attenuation improves room-to-room privacy. KNAUF Ceiling Solutions Armstrong products are also third party tested and certified by industry leading Eco-classification, suitable for green building compliance.

Key Features


Mineral Fibre

Sound Absorption

NRC = 0.90

Sound Attenuation

CAC = 29 dB


≅ 5.2 kg/m²

Light Reflectance


Humidity Resistance

RH 100%

Clean Room

ISO 3 (Class 1)

Recycled Content


Cleaning Method

Dry or wet cloth, damp sponge, disinfectant



Application Areas

  • Healthcare
    (Severe & High Risk Zones)
    Emergency rooms, burns units, oncology, ICU, ICCU, recovery and delivery rooms, operation theatres


  • Corridors / Lobbies
    Indoor areas with high humidity or high footfall


  • Pharmaceutical
    Improve concentration and minimize dispensing error


  • Industrial & Manufacturing
    (Cleanroom ISO4 Full Systems) Where eliminating the smallest particles is a key objective

  • Contaminant-free Areas
    Any hygiene-sensitive collaborative area to limit bio-contamination

  • Laboratories
    PC1 and PC2 Certified Facilities.

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