Sound Reduction
|
•
|
This
window has a couple of major features including the
ability to accept thick laminated glass for sound
reduction. |
|
•
|
Windows
using the Series 466 sashes were tested at the National
Acoustic Laboratories,Chatswood,
NSW. |
|
•
|
The
tables below shows how the numbers improve as the
glass thickness increases. |
Sound
Testing Results
| 4mm Float glass |
=30dB(A)
|
RW32
|
| 6.38mm Laminated glass |
=
34dB(A)
|
RW34
|
| 10.38mm Laminated glass |
=
36dB(A)
|
RW36
|
| 24mm Insulating Glass Units (6/12/6) |
=
35dB(A)
|
RW35
|
