Sonorex® 22, 31, 33, 38, 40, 41, 43, 45 and 47

Insulation Solutions B.V.

Sonorex® 22, 31, 33, 38, 40, 41, 43, 45 and 47 by Insulation Solutions B.V.


The Sonorex® barriers are specially developed for use above light partition walls and lowered ceilings as well as under raised floors in order to improve sound insulation and fire resistance. Depending on the specifications, there is a choice of sound insulation 22dB up to 47dB and a fire resistance EI20 (Sonorex 31) up to EI45 and EI60 (Sonorex 33, 40, 41, 43, 47).

This certificate covers the following products:

Fire and sound barriers/insulation: Sonorex® 22, Sonorex® 31, Sonorex® 33, Sonorex® 38, Sonorex® 40, Sonorex® 41, Sonorex® 43, Sonorex® 45, Sonorex® 47

This certification is considered provisional pending completion of the manufacturing facility site visit, which was postponed due to 2020-21 global travel restrictions.

PLEASE NOTE: The description of the product is provided solely by the product’s manufacturer. C2CPII cannot and does not independently verify the accuracy of the product description in this registry, and only attests to the validity and level of certification awarded to each product under the Cradle to Cradle Certified Product Standard. Please contact the product’s manufacturer with any questions about the product’s description or purchasing details.