Find, compare and plan acoustic materials.

Every value presented transparently

Behind the data on Acoustic Index are real documents: test reports from acoustic labs, product datasheets and EPDs. So you know what your design is built on.

• Values with their source

  Absorption and diffusion values presented transparently, each with its source. Where available, with the lab test report.

• Test conditions at a glance

  Mounting and air gap are shown with every value, because they strongly influence the NRC.

• EPDs and certificates

  Sustainability documents and test certificates right on the product page, where available.