Altair Louvre Windows in a Bushfire Prone Area

How to use Altair Louvres in the different Bushfire Attack Levels

The following requirements for using Altair Louvre Windows in bushfire prone areas are based on:

  • Our interpretation of AS 3959-2018 “Construction of Buildings in Bushfire Prone Areas”
  • BAL-29 bushfire testing by the CSIRO of the Easyscreen Altair Louvre Window System with CrimSafe screens to AS1530.8.1-2007 (CSIRO Report number FSZ1572)
  • A CSIRO Infrastructure Technologies report assessing alternative steel mesh screens (CSIRO Report number FCO-3026)

We recommend that you receive independent advice from both an engineer and your local council authority to determine your level of construction and to ensure that you comply with the correct protection measures for your individual circumstance.

Breezway recommends you receive independent advice from an engineer and local council authority to determine your level of construction and to ensure you comply with the correct protection measures for your individual circumstance.

AS 3959-2018

Bushfire Attack Level Low

The degree of bushfire attack is considered insufficient to warrant specific construction requirements.

Bushfire Attack Level 12.5

Louvres are to be screened externally using corrosion-resistant steel, bronze or aluminium mesh or perforated screen with a maximum aperture size of 2 mm in such a way that the entire opening remains screened when the louvre is open and gaps between the screen and the window do not exceed 3mm. The mesh or perforated screen must be completely supported by framing made of metal, or bushfire resistant timber.

Bushfire Attack Level 19

Louvres are to be screened externally using corrosion-resistant steel, bronze or aluminium mesh or perforated screen with a maximum aperture size of 2 mm in such a way that the entire opening remains screened when the louvre is open and gaps between the screen and the window do not exceed 3mm. The mesh or perforated screen must be completely supported by framing made of metal, or bushfire resistant timber.

Bushfire Attack Level 29

Louvres are to be Altair Louvres within the Breezway Easyscreen Window System with toughened glass and externally screened using corrosion-resistant steel mesh or perforated screens with a maximum aperture size of 2mm in such a way that the entire opening remains screened when the louvre is open and gaps between the screen and the Breezway Easyscreen window frame do not exceed 3mm. The mesh or perforated screen must be completely supported by framing made of metal.

Bushfire Attack Level 40

Louvre Windows are to be completely protected by compliant bushfire shutters. Alternately Alspec has completed BAL40 testing using the Altair Louvre within an aluminium Alspec frame fitted with an Invisi-Gard stainless steel mesh screen. Please refer to www.invisi-gard.com.au/bushfire-test for more details.

Bushfire Attack Level FZ

Louvre Windows are to be completely protected by compliant bushfire shutters.

Please read the Breezway Technical Bulletin or a copy of our test report below, for more information in regards to using Altair Louvres in Bushfire Prone Areas of Australia.