WHY DO I NEED BUSHFIRE RATED WINDOWS?
When living in a bushfire prone area, you are required to protect your home from a potential bushfire attack. AS3959 – The Australian Bushfire Standards – states that homes within any bushfire prone area requires protection at all openings, this protection can vary dependent on your ‘Bushfire Attack Level’ (BAL). Bushfire rated windows are often the solution of choice. Bushfire rated windows are a strong, reliable form of protection that can cover all BAL levels. Utilising advanced glazing systems, Greene Fire’s bushfire window is the ideal solution to protect your home from any bushfire danger. Utilising advanced glazing systems, Greene Fire’s bushfire window is the ideal solution to protect your home from any bushfire danger. Our bushfire rated windows are a self reliant solution which requires little to no maintenance.
WHAT ARE BUSHFIRE PROTECTION MEASURES?
Due to the high risks associated with living in a bushfire prone area, building requirements have been designed to ensure your maximum safety in the event of a fire. These requirements vary dependent on your bushfire attack level (BAL).
what is BAL?
BAL stands for ‘bushfire attack level’, it is used to determine the appropriate level of protection needed relative to the likelihood of a bushfire attack. BAL is determined by knowing 4 things:
- Type of vegetation surrounding the property
- Slope of vegetation
- Fire Danger Index (FDI)
- The distance of the vegetation from the property
The BAL levels vary dependent on potential danger and each level has seperate requirements in order to satisfy safety standards, these levels include:
HOW DOES THE BUSHFIRE WINDOW WORK?
Greene Fire’s bushfire rated window system is made of aluminium vertical and horizontal frames. Our aluminium framing utilizes sustainable materials that are naturally resistant to corrosion, cracking and warping. The inside layer of the glass profile is filled with a fire resistant filler preventing the frame from failing and the glass from shattering completely. Greene Fire’s bushfire rated window systems utilise Contraflam® glass. Contraflam® contains an inter-layer that becomes opaque in the event of fire and acts as a heat shield. This helps to reduce radiant heat and is a useful feature which provides greater protection if in a bushfire situation. Below is a brief description of what happens to the glass in the event of a fire:
Initially the fire causes the glass pane that is towards the fire-side to break due to the stress on the glass.
The interlayer, which is based on nanotechnology, begins to form an opaque insulating protective layer.