Perforated gypsum acoustical board with eight quadrants of 3 x 3 mm square perforations (9% perforated area), backed by an acoustical fleece and containing Activ'Air cleaning powder for a sustainable reduction of air pollutants such as formaldehyde. All four edges are tapered (4TE Technology). Supplied unpainted and can be painted to any colour.

Key features

• Seamless flush finish
• Immense design possibilities
• Substantially reduces air pollutants (Activ'Air)
• Suitable for green buildings
• All four edges tapered (4TE Technology)

Applications

• Acoustic ceilings with indoor air-quality improvement (schools, offices, auditoriums, assembly rooms)

Specifications

Nominal Size: 1200 x 2400 x 12.5 mm | Weight: 8.0 kg/m2 | Edge Detail: All edges tapered (4TE Technology) | Perforation Size & Type: 3 x 3 mm square (eight quadrants) | Perforation Area: 9% | Reaction to Fire: A2-s1, d0 | Backing: Acoustical fleece | Air Cleaning Power (Activ'Air): Yes - reduces formaldehyde and other air pollutants | Surface: Unpainted - can be painted to any colour | Glass Wool Density: 24 kg/m3 (as used in test) | Sound Absorption Coefficient (αs) - Quattro 71 + 50 mm Glass Wool + 50 mm air gap (125/250/500/1000/2000/4000 Hz): 0.56/0.66/0.77/0.63/0.56/0.53 | NRC - Quattro 71 + 50 mm Glass Wool + 50 mm air gap: 0.65 | Sound Absorption Coefficient (αs) - Quattro 71 + 50 mm Glass Wool + 300 mm air gap (125/250/500/1000/2000/4000 Hz): 0.53/0.78/0.63/0.66/0.62/0.55 | NRC - Quattro 71 + 50 mm Glass Wool + 300 mm air gap: 0.70 | Sound Absorption Coefficient (αs) - Quattro 71 + 50 mm air gap (125/250/500/1000/2000/4000 Hz): 0.18/0.42/0.62/0.62/0.56/0.54 | NRC - Quattro 71 + 50 mm air gap: 0.55 | Sound Absorption Coefficient (αs) - Quattro 71 + 300 mm air gap (125/250/500/1000/2000/4000 Hz): 0.43/0.61/0.60/0.54/0.54/0.53 | NRC - Quattro 71 + 300 mm air gap: 0.55

Standards: Reaction to Fire A2-s1, d0