Roof and Wall - Lane Roofing

Acoustic Systems
Sound Reduction
Structural Liner Tray System SAR8-SLT
Test reference AT/92/07.
Sound Reduction
Graph: R w 44 dB
Average SRI: R w 39.7 dB
Sound Reduction Index (dB)
70
60
50
40
30
20
10
AT 92/07 (1/3 Octave)
0 50 Frequency(Hz) 10000
Insulation
80mm rockfibre insulation.
23kg/m 3 density.
Liner tray
HL600/130 structural liner tray 1.00mm
thick.
Cold bridge barrier
50 x 12mm rockfibre Strip.
(350Kg/m 3 density).
Outer Cladding
1000/32 reversed external sheet, 0.55mm
thick laid horizontally.
Refer to tables on pages 32 and 33 for
sound absorption and reduction axis
incremental frequencies
Suitable for low humidity buildings.
For high humidity buildings contact
our Technical Department.
The Building Regulations 2000
Approved Document L2 – April 2002
Contact our Technical Department for
information on the insulation thickness
needed for this system to meet part L
requirements.
Acoustic Systems 35