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Many people dream of living within reasonably close to the city while still enjoying bushland surrounds. But this dream comes with serious risks and you need to understand the correct Bushfire Attack Level (BAL) for your new home’s construction or renovation. BAL ratings dictate both the construction method and the materials used in bushfire prone areas and can be obtained from your local council. There are six BAL ratings (low through to extreme), and councils are required to map bushfire prone land and categorise it using the BAL rating system.

BAL LOW
Insufficient risk to warrant specific construction requirements.

BAL12.5
Ember attack.

BAL19
Increasing levels of ember attack and burning debris ignited by windborne embers, together with increased heat flux between 12.5 and 19kW/m².

BAL40
Increasing levels of ember attack and burning debris ignited by windborne embers together with increased likelihood of exposure to flames and increasing heat flux between 29 and 40kW/m².

BAL FZ
Direct exposure to flames from fire front in addition to ember attack and heat flux greater than 40kW/m².

Product BAL Rating Notes
Awning Windows BAL29  
Casement Windows BAL29  
Sliding Windows BAL29  
Double Hung Windows BAL19 Deem to satisfy, Cedar and Meranti frame fully screened (face fit)
Bi-Fold Windows  –  
Aneeta Sashless Windows BAL19 Deem to satisfy, Cedar and Meranti frame fully screened (face fit)
Breezway Louvre Windows BAL19 Deem to satisfy, Cedar and Meranti frame fully screened (face fit)
Fixed Windows BAL29 Includes Bay Windows, Corner Windows and Combination Windows
Customised Options BAL29  
Sliding and Stacking Doors BAL29  
Bi-Fold Doors  –  
Doors and Entry Frames BAL29 Deem to satisfy, Cedar and Meranti frame fully screened (Aluminium or Stainless Steel screen with Aluminum frame or equivalent)

Note: The Botanica range of windows and doors can achieve BAL ratings up to the values nominated above. It should be noted that in some instances to achieve these ratings screens, seals, glass and hardware may need to be optimised/added. Contact your Trend Sales Consultant for more information.

Product BAL Rating Notes
Awning Windows BAL40  
Sliding Windows BAL40  
Double Hung Windows BAL29  
Fixed Windows BAL40  
Bay Windows BAL40  
Custom Windows BAL40  
Sliding and Stacking Doors BAL40  

Note: The Synergy range of windows and doors can achieve BAL ratings up to the values nominated above. It should be noted that in some instances to achieve these ratings screens, seals, glass and hardware may need to be optimised/added. Contact your Trend Sales Consultant for more information.

Product BAL Rating Notes
Awning Windows BAL40  
Casement Windows BAL40  
Sliding Windows BAL40  
Bi-Fold Windows  –  
Fixed Windows BAL40  
Custom Windows BAL40  
Aneeta Sashless Windows BAL40  
Quantum Louvre Windows BAL29 Deem to satisfy
Breezway Louvre Windows BAL40 With Invisiguard (or equivalent) screen to operable portion of the window
Sliding and Stacking Doors BAL40  
Cavity Stacking Doors  –  
Bi-Fold Doors BAL40  
Hinge Doors and Entry Frames BAL40 Open Out – BAL40. Open In – BAL40 Deem to satisfy (Aluminium or Stainless Steel screen with Aluminum frame or equivalent)

Note: The Quantum range of windows and doors can achieve BAL ratings up to the values nominated above. It should be noted that in some instances to achieve these ratings screens, seals, glass and hardware may need to be optimised/added. Contact your Trend Sales Consultant for more information.

Product BAL Rating Notes
Awning Windows BAL29 Deem to satisfy, only if above 400mm from the ground
Casement Windows BAL29 Deem to satisfy, only if above 400mm from the ground
Sliding and Fixed Windows BAL29 Deem to satisfy
Aneeta Sashless Windows BAL40  
Breezway Louvre Windows BAL40 With compliant Bushfire Shutter by other
Windsor Sliding & Stacking Doors BAL29  
Hinge Doors BAL29 Open In only (Aluminium or Stainless Steel screen with Aluminum frame or equivalent). Pivot Doors are not BAL rated

Note: The Crestlite range of windows and doors can achieve BAL ratings up to the values nominated above. It should be noted that in some instances to achieve these ratings screens, seals, glass and hardware may need to be optimised/added. Contact your Trend Sales Consultant for more information.

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