557 Acoustic Cavity Closer
Verified by manufacturer over a year ago
Acoustic cavity closer with tissue faced rockfibre slab laminated to black polyethylene DPC.
Description
Designed for use as an acoustic closer for party walls. It helps reduce flanking noise transmission at the junction of internal separating and external cavity walls and is protected by its integral DPC.
Manufactured from tissue faced rockfibre slab laminated to black polyethylene DPC. The DPC forms a 40 mm flange on each side of the insulation and a 100 mm flange at the bottom edge.
To suit external cavity of 50–150 mm.
Meets the requirements of Building Regulations (E&W) Approved Document E (2003 edition) and NHBC standards.
Benefits:
- Offers 60 minutes fire resistance to BS EN 476-20.
- Strong yet flexible design.
- Single width suits most applications.
General information
Uniclass | |
CAWS | F30/18 Cavity closers F30/180 Cavity closers |
Product range |
Specification data - Sleeved mineral wool cavity barriers
Product Reference | 557 Acoustic Cavity Closer |
Standard product features | Insulation length x width: 1200 x 260 mm. Thermal conductivity: 0.035 W/mK. R-value: 1.42 W/m²K (50 mm). |
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