|
Table 3.1 Dwelling Houses and Flats – Performance Standards for separating walls, floors and stairs that have a separating
function.
| |
|
Value in dB |
| |
|
Purpose Built Dwellings |
Dwellings formed by material change of use |
Walls |
DnT,w + Ctr (airborne) |
45 dB |
43 dB |
Floors |
DnT,w + Ctr (airborne) |
45 dB |
43 dB |
| |
L'nT,w
(impact)
|
62 dB |
64 dB |
Table 3.2 Rooms for Residential
Purposes – Performance Standards for
separating walls, floors and stairs that have a separating function.
| |
|
Value
in dB |
|
|
Purpose
Built Dwellings |
Dwellings
formed by material change of use |
Walls |
DnT,w
+ Ctr (airborne) |
43
dB |
43
dB |
Floors |
DnT,w
+ Ctr (airborne) |
45
dB |
43
dB |
|
L'nT,w
(impact)
|
62
dB |
64
dB |
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call today on 01904 428 461 'Sound
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