For architects & specifiers
Every acoustic value below is measured per ISO 11654:1997 by an accredited laboratory (University of Liège or Peutz bv); the test reports are public and linked underneath. Greenmood surfaces are made from 100% natural materials — preserved plants and cork — with no plastic acoustic core.
| Material | Preserved lichen (reindeer moss), hand-harvested in Scandinavia, non-toxic, non-allergen |
|---|---|
| Sound absorption | Class D, NRC 0.35 (ISO 11654:1997, measured on the material by CARE-CEDIA, University of Liege, Belgium, test report 2017/7093) |
| Fire classification | Europe: B-s2-d0. North America: Flame Spread Index 0, Smoke Developed Index 15 |
| Lifespan | Keeps its natural form, color and texture for up to 10 years |
| Maintenance | No watering, no sunlight or artificial light, no pruning or trimming required |
| Weight | About 5 kg/m2 (11 lbs/sq.ft) excluding support |
| Conditions of use | Indoor use only, 40% to 80% relative humidity recommended |
CAD, Revit and BIM files: available on request.