What sound absorption class are Rockfon products?

Rockfon products typically achieve the highest possible sound absorption performance, class A. 

They are classified according to EN ISO 11654, ranging from Class A (most absorbent) to Class E (most reflective). See table 1 for an overview of different sound absorption classes and their respective sound absorption coefficient values. 

The exact absorption class depends on the specific product, thickness, mounting system, and installation conditions. 

For exact absorption values and classifications, check our product data sheets or contact us for advice on the right solution for your space.