Louvre Window Acoustic Performance
Reduce the amount of noise pollution entering your building
Altair® Louvre Acoustic Testing
Sound transmission loss field tests were conducted independently by a member firm of the Association of the Australia Acoustical Consultants.
The tests were carried out on Altair windows 2400 high x 840 wide and 2100 high x 840 wide. The windows comprised of a Breezway Louvre Windows aluminium surround frame complete with 152 Altair louvres. Testing was conducted to ISO 717-1:1996E.
|Blade Material||R'45 w (C,Ctr)||R'w (C,Ctr)|
|Toughened Glass||27 (-0.6;-2.7)||28 (0;-2.9)|
|Aluminium||25 (-0.7;-2.3)||25 (-1;-2)|
Altair® Dualair System Acoustic Testing
The laboratory tests were conducted by the CSIRO on an Altair Dualair Secondary Glazed Louvre System 1220 high x 1100 wide. The windows comprised of Altair Dualair Secondary Glazed Louvre System within Alspec McArthur 150mm Framing. Testing was conducted to AS/NZS 1276.1:1999 (ISO 717-1:1996).
|Outer Blade Material||Inner Blade Material||R'w (C;Ctr)|
|Toughened Glass||Toughened Glass||35 (-1;-3)|
|Aluminium||Toughened Glass||35 (-2;-4)|