plenum box
ISOBOX tecno-ventil SpA

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plenum box plenum box - ISOBOX


The ISOBOX aphonic plenum box has been designed to allow the transit of air through the walls of buildings while restricting the transmission of noise. The optional ventilation grille available in different materials and colours ensures, together with the ISOBOX plenum box, an effective outlet area for the transit of the air of 100 cm2 in accordance with current regulations. The internal aphonic structure is completely insulated, by means of high density rubber, to limit transmission effects. Even from a thermal point of view the isobox plenum box guarantees high thermal resistance values. Moreover, there is a report that lays out the methods of testing and the results of the noise measurements carried out on the above-described product, in orderto assess the extent of the acoustic emissions in respect of the provisions of international standards ( UNI EN ISO 140-3:2006, ISO 140-10:1991 ed UNI EN ISO 717-1:1997)