This flat white suspended ceiling tile has a finely granulated surface, a strong square edge and excellent sound absorption and attenuation. Armstrong Dune Flat boards are purchased per 16 tile box.

Recommended for offices, hotels, hospitals and showrooms. These ceiling tiles should be stored flat and in clean, dry conditions.

Technical Details

• Quantity per box: 16
• Size: 600 x 600 x 15mm
• Area coverage per box: 7.2m²
• Grid System: Prelude XL/TL 24mm
• Sound absorption alpha w: 0.55 (H)
• Sound absorption (NRC): 0.50
• Sound attenuation Dncw (dB): 35
• Light reflectance (%): 82
• Relative humidity (%RH): 99
• Hygiene requirements: BioBlock treatment
• Thermal conductivity (W/mK): 0.052 - 0.057
• Fire reaction: Class 0 / Class 1 (BS 476)
• 60 minutes (1 hour) of fire protection for steel beams
• Weight (kg/m²): 3.7