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 Tibouchina leaves (species native to South America), non-toxic, non-allergen |
|---|---|
| Sound absorption | Class C, NRC 0.65 (ISO 11654:1997; alpha-w 0.60, NRC per ASTM C423, measured by Peutz bv, Netherlands, test report A 3544-8E-RA-001) |
| Lifespan | Up to 7 years under optimal conditions |
| Maintenance | No watering, no sunlight or artificial light, no pruning or trimming required |
| Weight | About 9 kg/m2 (19.8 lbs/sq.ft) including support |
| Conditions of use | Indoor use only, 40% to 80% relative humidity recommended |
CAD, Revit and BIM files: available on request.