Invisi-Gard BAL40 Bushfire Windows & Doors
Bushfires in Australia are almost a common occurrence during the hotter months due to Australia’s hot and dry climate. Bushfire events in New South Wales, South Australia, Canberra and Victoria have been the most tragic bushfires events to occur in Australia’s history.
Bushfire Attack Levels
Bushfire Attack Level (BAL)
Description of predicted bushfire attack and levels of exposure
BAL - LOW
There is insufficient risk to warrant specific construction requirements
BAL - 12.5
BAL - 19
Increasing levels of ember attack and burning debris ignited by windborne embers together with increasing heat flux between 12.5 and 19 kW m2
BAL - 29
Increasing levels of ember attack and burning debris ignited by windborne embers together with increasing heat flux between 19 and 29 kW m2
BAL - 40
Increasing levels of ember attack and burning debris ignited by windborne embers together with increasing heat flux with the increased likelihood of exposure to flames
BAL - FZ
Direct exposure to flames from fire front in addition to heat flux and ember attack
The Invisi-Gard BAL40 screen range successfully exceeded system test requirements outlined in AS1530.8.1 while remaining in operation after the test.
Invisi-Gard BAL40 Product Range consist of;
- Invisi-Gard Window Screens
- Invisi-Gard Hinged Doors
- Invisi-Gard Sliding Doors
When dealing with a BAL40 requirement, specifiy Invisi-Gard to ensure compliance to Australian standards. All Invisi-Gard BAL40 windows are identified with a label to ensure quality and compliance of the product to assist with certification onsite.