Acousti Index

This assembly is a nailed down installation on a mass timber structure, with a suspended ceiling. The FERMACELL flooring boards were installed under a solid hardwood flooring.

Characteristics of the FERMACELL flooring boards:

  • Easy to work with
  • Fibre-gypsum rigid boards
  • High-quality dry topping
  • Quick to install
  • Reduces the transmission of impact and airborne noises
  • Provides comfort in the room, creating a cozy atmosphere
  • Compatible with heating flooring systems


The AcoustiTECH expertise goes beyond the acoustic products, providing you with support for your project (analysis of the plans, proposed various solutions to meet your needs and budget, etc.).

This acoustic result (IIC) is a projection of the results obtained from acoustic tests in different floor assemblies. In a similar building with a structure having the same characteristics, it may be that the acoustic performance differs depending on the quality of execution of the installation work, the surfaces and the selected materials.

To get more details about this test, please contact us at 1-888-838-4449 or mentioning the test number you have consulted.


Acoustic solution
Structure Light wood-frame
Installation Nailed down
Floor covering Solid hardwood
Suspended ceiling Yes
Test BO-29

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