Technical Information
Test for Watertightness
|
Test in accordance with BS6375. Part 1: Water temperature 17ºc classified for watertightness. Test pressure class (Pa): 300 |
 |
| Occurrence of Leakage | Position of Leakage | |
| Pressure (Pa) | Time (min) | |
| 400 | 41 | Leakage through fixed joint at X |
| 500 | 47 | Upwards spray at Y |
| 600 | 50 | Leakage through beading applied to cill at Z |
| Limit of Watertightness (Pa) | 300Pa | |
Air Permeability
Test in accordance with BS5368 Part 1: Air temperature 19.5ºc, total window area 2.01m², this window is classified for air permeability as follows:
Test Pressure class (Pa):600
Acoustic Performance
Sound Reduction Index measurements were conducted at the AIRO Acoustics Laboratory in accordance with BS2750: Part 3: 1980 and BS5821: Part 3: 1984, using a purpose built transmission suite. AIRO is accredited as a NAMAS TESTING Laboratory NO.0483.
The weighted sound reduction index, Rw = 45dB (BS5821: Part 3: 1984)
| Frequency Hz | R dB | Frequency Hz | R dB |
| 100 | 23.2 | 800 | 49.8 |
| 125 | 26.9 | 1000 | 51.9 |
| 160 | 30.1 | 1250 | 51.0 |
| 200 | 36.8 | 1600 | 50.5 |
| 250 | 37.8 | 2000 | 50.0 |
| 315 | 37.1 | 2500 | 48.9 |
| 400 | 34.6 | 3150 | 43.3 |
| 500 | 43.1 | 4000 | 41.0 |
| 600 | 45.7 | 5000 | 44.5 |
