Bush Fire BAL Rating

What is a BAL Rating?

In Australia, the majority of large and lifestyle blocks are identified as being in a bushfire prone area and have Bushfire Hazard overlay.

BAL Rating stands  for ‘Bush fire Attack Level Rating‘. An assessment is made on your particular property with reference to the topography, vegetation type and spread and distance from a proposed dwelling to any vegetation.

The BAL rating is expressed in 5 different exposure classes ranging from the lowest risk of 12.5 (BAL-LOW – very low risk) to the most dangerous risk of FZ (BAL-FZ – extreme risk – Flame Zone):

  • BAL-12.5 – low risk
  • BAL-19 – moderate risk
  • BAL-29 – high risk
  • BAL-40 – very high risk
  • BAL-FZ – extreme risk (Flame Zone)

CSIRO steel frame home bush fire test

Bribuild Steel Frame Home BAL Ratings

Our Steel Framing and BAL Rating

  • Bribuild Steel Framing are BAL rated to BAL-FZ (BAL40).
  • Our Steel frames are cold form rolled steel that and can not catch fire.
  • AS/NZS 4600, Cold formed steel structures
  • AS 3623, Domestic metal framing
  • AS 4100, Steel structures
  • Our Steel frames are perfect to complete a building extension in a bush fire zone.

Who can provide me a (BAL) Bush Fire Rating?

The (BAL) Bush Fire Attack Level determines the type of fire protection materials required when building your home.
Bush fire Attack Levels are assessed by ‘Certified Bush fire risk management officers’. This means they can provide your building surveyor, building certifier or the council the specific BAL rating for your chosen land. In some cases the BAL rating is provided by a certified officer within local country fire authorities.


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