Measurement of air-borne noise insulation of building elements and assessment of the acoustic insulation of buildings and building elements (UNI EN ISO 10140-2:2010 UNI EN ISO 717-1:2013)
The following door models were tested:
CL DOOR LEAF WITH ACOUSTIC CORK FILLING: 33 dB
CL DOOR LEAF WITH FLAX CHIPBOARD FILLING: 26 dB
SOUNDPROOF CHIPBOARD CL DOOR LEAF: 29 dB
In order to guarantee better acoustic comfort, door leaves are fitted with an internal wood-fibre soundproofing panel with special composition and shape.
Door leaves passed the 29 dB noise reduction test, in compliance with the UNI EN ISO 717-1:2013 regulation.