The smooth, non-directional surface of Rockfon Blanka Activity reduces installation time and the 40mm thickness ensures the highest sound absorption at low frequencies.
The enhanced surface durability makes it more resistant to dirt and everyday wear and tear, extending the product lifetime.
Stone wool tile
Visible side: smooth, deep matt, super white painted fleece
Rear side: back fleece
Durable painted edges
Color - White
Color Group - Whites
Light reflection - 87 %
Reaction To Fire - A1 (EN 13501-1) -
Reaction to fire is classified in accordance with EN 13501-1.
Light reflection and light diffusion - 87% light reflection >99% light diffusion -
Light reflection expressed in % is measured in accordance with ISO 7724-2.
Visual Appearance - Super white surface
L value: 94.5.
Deep matt surface, perfect in critical side-light
Gloss: 0.8 gloss unit at 85° angle
The whiteness (L value) of the product is tested in accordance with ISO 7724 and measured on a scale from 1 (black) to 100 (white).
The gloss of the product is tested in accordance with ISO 2813.
Humidity And Sag Resistance - Up to 100% RH -
ROCKFON ceiling tiles are dimensionally stable even at humidity levels of up to 100% relative humidity and can be installed at all temperatures ranging from 0°C to 40°C. They can be installed during the very early stage of the build (when windows are not fully sealed). Their lightweight yet stable non-hygroscopic character minimises the final weight of the fully-installed ceiling. ROCKFON ceiling tiles are predominantly classified as Class 1/C/0N in accordance with EN 13964. Certain module sizes (width above 700mm) are Class 2/C/0N.