Acoustic void barrier for curtain walling.
Siderise CVB/C10 is a stonewool cavity barrier incorporating a central polymeric mass barrier layer. It is designed for use as a mass line below horizontal firestopping in curtain walls to improve acoustic performance via the critical slab edge void.
Using this acoustic upgrade can offer a significant improvement to the acoustic performance of the firestop. Incorporating mass barriers such as the SIDERISE CVB/C10 into slab-edge details is often crucial for controlling floor-to-floor sound transmission.
Siderise CVB/C10 consists of a thin, flexible polymeric mass barrier core offering 10 kg/m2 of surface mass to resist sound transmission. This is surrounded by high-density stonewool on both sides. The faces are reinforced with aluminium foil. The entire product is 55 mm thick.
Features and benefits:
Other coloured facing options also available, consult manufacturer for details.
aluminium foil facing to both sides.
High-density resin bonded rock fibre insulation core.
H11/780 Thermal insulation
P10/432 Cavity barriers
Foil to both sides.
Length: 1200 mm.
To BS 476-7, Class 1.
Sound insulation rating
The following arrangement provided the Weighted Sound Reduction Index (RW) value as stated, when tested in a sound laboratory in accordance with BS EN ISO 140-3 and rated to BS EN 717-1:
SIDERISE fire stop (CW-FS120) + SIDERISE AB (AB10) + 100mm airgap SIDERISE CVB (CVB/10) = 51 dB Rw.
Material and finish
High-density resin bonded rock fibre insulation core with aluminium foil facing to both sides.
Contains Red List materials
Country of material origin
Country of product manufacture