Louvre Window Acoustic Performance

Reduce the amount of noise pollution entering your building

Altair® Louvre Acoustic Testing

The relatively thick glass and good sealing of the Altair Louvre window system provides an effective noise insulation barrier.

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. The windows comprised of a Breezway® Louvre Windows aluminium surround frame complete with 152 Altair louvres. The 2400 high windows consisted of louvres of 16 operable blades with a fixed extension blade.

The results of these field tests gave the following sound transmission loss.

View/download Airborne Sound Isolationsmall-pdf4

SizeSound Transmission LossBlade Material
2100 h x 800 wR w. 28 (0;-2.9)Toughened Glass
2400 h x 840 wR 45, w. 27Toughened Glass
2400 h x 840 wR 45, w. 25Aluminium
2400 h x 840 wR 45, w. 24Timber