Roof and Wall - Lane Roofing
Roof and Wall - Lane Roofing
Roof and Wall - Lane Roofing
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Acoustic Systems<br />
Sound Reduction<br />
Lining Panel Systems SR3-LP<br />
Test reference C/94/5L/1721/1 – test 1.<br />
Average SRI 39.7<br />
(100-3150Hz)<br />
1/3 Octave B<strong>and</strong><br />
Weighted SRI, R w 39.0<br />
(BS5821:part1)<br />
Sound Reduction Index (dB)<br />
70<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
1721/1 Test 2 (1/3 Octave)<br />
0 50 Frequency(Hz) 10000<br />
Insulation<br />
100mm rockfibre insulation.<br />
33kg/m 3 density.<br />
Sheeting Rail<br />
Sheeting rails supplied by others.<br />
Spacer<br />
120mm deep spacer system.<br />
Outer Cladding<br />
1000/32 external sheet, 0.55mm thick laid<br />
vertically.<br />
Lining Panel<br />
LP1000 lining panel, 0.40mm thick.<br />
Refer to tables on page 32 <strong>and</strong> 33 for axis<br />
increment frequencies<br />
Suitable for low humidity buildings.<br />
For high humidity buildings contact<br />
our Technical Department.<br />
The Building Regulations 2000<br />
Approved Document L2 – April 2002<br />
Contact our Technical Department for<br />
information on the insulation thickness<br />
needed for this system to meet part L<br />
requirements.<br />
32 Acoustic Systems
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