Dune Sandgrain finish ceiling tiles are 24mm thick white with a finely granulated surface, a strong square edge and excellent sound absorption and attenuation. Armstrong Dune Evo Tegular boards are purchased in singles or per 16 tile box.
Recommended for offices, showrooms, and supermarkets and hotels. Ceiling tiles should be stored flat and in clean, dry conditions.
Quantity per box: 16 - Sold in singles or box qty
Size: 600 x 600 x 15mm
Area coverage per box: 5.76m2
Grid System: Prelude XL/TL 24mm
Sound absorption alpha w: 0.55 (H)
Sound absorption (NRC): 0.55
Sound attenuation Dncw (dB): 34
Light reflectance (%): 80
Relative humidity (%RH): 70
Hygiene requirements: BioBlock treatment
Thermal conductivity (W/mK): 0.0562
Fire reaction: Class 0 / Class 1 (BS 476)
60 minutes (1 hour) of fire protection for steel beams