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A vegetal soundproofing and fire resistant ceiling.

The Milan based studio Principioattivo Architecture Group adopted a very original solution to improve acoustic comfort inside a shopping center and at the same time bring indoors all the benefits of nature: an acoustic ceiling made of lichen MOSSwall.

This natural stabilized lichen, easy to place, does not require natural lighting, nor maintenance or watering. It is a real “miracle of nature” that makes possible to produce plant surfaces in any typology of public space.

It is certified for fire (for EU: UNI EN 13501-1: 2009 Class B-s2, d0 and for USA: ASTM E 84 nr: 2015 CLASS: 0-25 FSI; 0-450 SDI) and has interesting acoustic performances (it is certified by the UNI EN ISO 11654: 1998 and UNI EN ISO 354:2003, guaranteeing a class of sound absorption of 50% for speech frequency).
This indoor 130 sqm installation, realized by Verde Profilo is made by around 800 circles with diameters from 60 to 30 cm, covered with MOSS wasaby green and mint colours.

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