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.
Visible side: smooth, deep matt, super white painted fleece
Rear side: back fleece
Durable painted edges
Sound absorption is measured in accordance with ISO 354.
Sound absorption data αp, αw and absorption class are calculated in accordance with ISO 11654. Sound absorption properties of islands and baffles are quantified by the equivalent sound absorption area Aeq expressed as m² per item.
Light reflection and light diffusion - 87% light reflection >99% light diffusion -
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 -
Humidity And Sag Resistance - Up to 100% RH -
Surface Durability - Enhanced durability and dirt resistance. -
Cleaning - Vacuum, Damp cloth -
Hygiene - Stone wool provides no sustenance to microorganisms -
Environment - Fully recyclable stone wool -
Indoor Environment - A selection of Rockfon products have been awarded the Finnish M1 emission classification for building materials and the Danish Indoor Climate Label for low emission products