Appendix 4.4 : Suitable Window Types for Noise Insulation

Suitable window types when the estimated noise level will exceed the relevant standard by β value.

[ Simple Table Format ]

Window Types

Exceedance 
over Standard

Noise Source

I

II

III

Section Ref.
Rail Traffic

β < 5

5 ≤ β < 10

β ≥ 10

4.2.9
Road Traffic

β < 10

10 ≤ β < 15

β ≥ 15

4.2.5
Aircraft

-

β < 10

β ≥ 10

4.2.1
Helicopter

β < 5

5 ≤ β < 10

β ≥ 10

4.2.3


WINDOW TYPES : 

I

- Openable well-gasketted window, 6mm pane

II

- Openable well-gasketted window, 8mm pane

III

- Openable well-gasketted window, 12mm laminated pane 

back to previous page
  dotted line
  2005 Copyright Important notices  Last revision date : December 2008