Perla OP is a premium smooth-visual mineral fibre ceiling tile with high sound absorption of 0.90 NRC and high light reflectance. It is easy to clean, resists the growth of mould and provides ISO 5 (Class 100) clean room performance. It is offered in Board, Tegular and Microlook 90 edge details, 15 mm thick, in 600x600 mm and (Board only) 600x1200 mm sizes.

Key features

• Humidity resistance up to 95% RH
• Cleanability: with dry cloth
• Light reflectance 85%
• Euroclass reaction to fire A2-s1,d0
• Premium smooth visual
• High sound absorption 0.90 NRC
• High light reflectance
• Easy to clean and provides ISO5 (Class 100) clean room performance
• Resistance to growth of mould

Applications

• Open office spaces/Call centres
• Healthcare
• Education
• Large showrooms
• Conference rooms
• Auditoriums
• Libraries
• Cafeterias
• Cleanrooms

Specifications

Reaction to Fire (as printed): A2-s1,d0 | Sound Absorption (NRC): 0.9 | Sound Attenuation (CAC): 25 | Light Reflectance: 85% | Recycled Content: up to 53% | Humidity Resistance (max RH): 95% RH | Cleanability: with dry cloth | Relative Price Index (brand symbol scale, Min/Mid/Max): Max | Sound Absorption by One-Third Octave Band (alpha p): 125 Hz: 0.34, 160 Hz: 0.69, 200 Hz: 0.82, 250 Hz: 0.80, 315 Hz: 0.84, 400 Hz: 0.95, 500 Hz: 1.0, 630 Hz: 0.94, 800 Hz: 0.85, 1000 Hz: 0.86, 1250 Hz: 0.96, 1600 Hz: 0.99, 2000 Hz: 1.0, 2500 Hz: 1.04, 3150 Hz: 1.07, 4000 Hz: 1.1 | Sound Attenuation Dncw by One-Third Octave Band (dB): 125 Hz: 17, 160 Hz: 19, 200 Hz: 20, 250 Hz: 20, 315 Hz: 20, 400 Hz: 18, 500 Hz: 20, 630 Hz: 21, 800 Hz: 22, 1000 Hz: 24, 1250 Hz: 27, 1600 Hz: 29, 2000 Hz: 31, 2500 Hz: 33, 3150 Hz: 35, 4000 Hz: 38 | Acoustic Test Basis: Tested in independent third-party quality-assured laboratory per EN ISO 354, EN 20140-9 and ISO 140-9 with ceiling installed over 200 mm and 300 mm cavity; NRC per ASTM C423; Dncw per EN ISO 717-1 (p28) | Thickness: 15 mm | Noise Reduction Coefficient (NRC): 0.90 | Sound Absorption Coefficient (125 / 250 / 500 / 1000 / 2000 / 4000 Hz): 0.34 / 0.80 / 1.00 / 0.86 / 1.00 / 1.01 | Ceiling Attenuation Class (CAC): 25 dB | Fire Reaction: A2-s1, d0 as per EN 13501-1 | Thermal Conductivity (lambda): 0.036 W/mK | Humidity Resistance: RH 95% | Weight: 2.41 kg/m2 | Clean Room Performance: ISO Class 5 (Class 100) as per ISO 14644-1 | Edge Details and Compatible Suspension: Board: Prelude 24 mm; Tegular: Prelude 24 mm; Microlook 90: Suprafine 15 mm / Silhouette | Available Sizes: 600 x 600 x 15 mm; 600 x 1200 x 15 mm (Board only)

Standards: EN 13501-1 (Euroclass) A2-s1,d0 | EN ISO 717-1 (Dncw) | EN 20140-9 / ISO 140-9 (sound attenuation) | EN ISO 354 (sound absorption) | ASTM C423 (NRC) | GreenPro (brand states Armstrong mineral fibre ceilings are GreenPro classified - brochure-level statement, p16) | EN 13501-1 (A2-s1, d0) | ISO 14644-1 (ISO Class 5 / Class 100)

Warranty: Conditional: warranty offered only when ceiling tiles are installed with Armstrong steel angles and installation is carried out as per Armstrong Ceiling Solutions recommendations (warranty period not legible in extracted text)