Noise Control

AHL-ST Series
Acoustic Traps

Designed for use with the AHL-150 acoustic louver, the ST Series is able to be installed onto the rear of all louvers within the Holyoake range for improved attenuation performance. 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.

Insulation Properties:

  • 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