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 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 | Ember attack |
| 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
The
Invisi-Gard BAL40 Product Range consist of;
When dealing with a BAL40 requirement, specifiy
BUSHFIRE
| AS3959-2009 CONSTRUCTION OF BUILDINGS IN BUSHFIRE-PRONE AREAS | |
|---|---|
| Test numbers: EP1210317, FSZ1662A | |
| BAL-40 rating for Invisi-Gard | |
| BAL-40 rating for Invisi-Gard and Breezway Altair Louvres | |
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The
The specific application of
Conventional window systems are currently used in these bushfire prone areas as the louvre frames have always been restricted to lower bushfire levels such as BAL29. Now owners have the option of using a complete BAL40 glass louvre system with a screening solution to achieve a comfortable living environment allowing greater air flow when needed.
Download Bushfire Compliance Certificate
