Noise Control

AHL Series
Acoustic Louver

The Holyoake AHL-150 louver offers an attractive louver system that provides ventilation and sound attenuation. Based on proven Holyoake louver technology, the louver has been designed to efficiently allow air to pass through the facade of a building while reducing radiated noise. The acoustic insulation is a rockwool product with thermal and fire resistant properties. The insulation has been engineered to meet the requirements of NCC 2019 Volume 1 Specification C1.9(a) and C1.10 Clause 7 for Non-Combustibility and Fire Hazard Properties.

  • High attenuation performance.
  • Add-on acoustic traps for improved attenuation performance.
  • Flat blade profile.
  • Obstructed line of sight.
  • Flangeless channel surround.
  • Insulation compliant with:
    • Deemed a non-combustible in accordance with AS1530.1
    • Has the following fire hazard indices when tested in conformance with AS1530.3: Spread of Flame Index: 0, Heat of Flame Index: 0 Ignitability Index: 0, Smoke Developed: 1.
    • Performance is not adversely effected from contact with moisture