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    The acoustic benefits of Nordik Moss walls

    1 Nov 2017

    Nordik Moss green walls have significant benefits for many types of indoor environments. Here are 3 reasons why designers are specifying Nordik Moss walls:

    • Highly versatile

    • Virtually maintenance free

    • Significant acoustic properties

    Acoustic Moss Wall Case Study

    Nordik Moss was used recently to provide acoustic softening in a school interview room with excellent effect. The room is used for a wide range of activities including staff training and audio-visual presentations as well as interviews with staff, pupils and parents. The Nordik Moss wall and additional planting helps to provide a quiet, relaxed space that is a valuable addition to the school. 

    Nordik Moss wall in a school interview room to provide excellent acoustic properties

     

    Measurement of Acoustic Properties of Moss Walls

    Acoustic measurements were carried out on a similar moss wall product in The Netherlands using reindeer moss and the reported outcome stated:

    Excellent natural acoustic properties; Noise Reduction Coeffient 0,96.

    In order to counteract the effect of poor acoustics our product absorbs sound waves. And especially the sound of speech that are between 100 Hz and 3000 Hz (see graph). In the graph you can see the absorbance value of carpet. Carpets and curtains give the room a warmer tone because they only absorb high frequencies. A warmer timbre gives a rounder sound, but does not help in addressing fatigue and illness. 

    The acoustic moss wall panels have an absorption value (AW) of 0.96.  Graph showing acoustic properties of reindeer moss wall panels.jpg

    Click here to watch the fascinating Nordik Moss video

    Measurement of Acoustic Properties of Green Walls

    The following extract is from an article by the UK Acoustic Treatments Specialists - Resonics and relates to the acoustic properties of green walls:

    The acoustic benefit of plants and shrubbery has only recently come into the line of sight of acousticians; spurred on by a handful of researchers who have highlighted the ability of greenery to regulate sound.
     

    One such study has come out of The University of The Basque Country. The study tested the acoustic properties of modular green walls using two different reverberation chambers. It showed that green walls, when compared to untreated walls, resulted in “a weighted sound reduction index (Rw) of 15db and a weighted sound absorption coefficient (a) of 0.40”.

    The spearhead of the study, Zaola Azkorra stated that the study demonstrated that “the green wall showed a similar or better acoustic absorption coefficient than other common building materials, and its effects on low frequencies were of particular interest”. Azkorra has suggested that this points to new uses for green walls in public places such as restaurants, workplaces and hotels.

    Nordik Moss Wall Open Plan Office Case Study 

    Another interesting project involved the use of a large feature Nordik Moss wall backdrop to an open-plan office at Space Solutions in Glasgow. 

    This video includes an insight on the acoustic benefits of moss walls from the Interior Designer who was involved in this project.

    Nordik Moss Wall providing acoustic benefits in an open plan office

     

    Topics: Green Wall Designs, Nordik Moss Designs, Biophilic Design

    Click here to watch the Nordik Moss video

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