Acoustic curtain, consisting of two outer layers of fireproof fabric 200 g Loneta Duero inside, Felt Fireproof. Fire Resistance Rating: Class 1 (UNE EN 13773: 2003).

Description

ACOUSTIC 4B CURTAIN

Composition:

External fabric: felt of 25 kg/m3 with 10-12 mm of thickness.

Acoustic isolation

Single curtain DnT,W(C,Ctr)=8 (1.-1)

Double curtain DnT,W(C,Ctr)=15 (0.-3)

Absorption coefficient  med= 0.98; alphaw=0.90; clase A NRC0.90 SAA 0.88

Additional information

Acabado

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