Frequently asked questions about Bushfire Roller Shutters:
What is the cheapest way to achieve BAL-FZ compliant windows?
Install a CSIRO tested combination of a standard sliding 6mm toughened glass window and a Bushfireshutter.com.au BAL FZ stainless steel shutter.
Do I need double glazed windows with BAL-FZ roller shutters?
No, Bushfireshutter.com.au is BAL-FZ tested and compliant with an openable single-glazed 6mm thick toughened glass window and achieved a max radiant heat flux reading of 2.9Kw/m2
Has a roller shutter been tested and approved with a 6mm toughened glass window?
Yes Bushfireshutter.com.au BAL-FZ shutter passed CSIRO test AS 1530.8.2 (2018) on 29/10/2019. A standard sliding single-glazed 6mm thick toughened glass window was used for the test.
Can I achieve BAL FZ compliance for windows and doors by having a BAL-40 bushfire window accompanied by a non-combustible bushfire shutter?
The NSW RFS is now ceasing to allow the use of BAL-40 windows with non-combustible bushfire shutters in the Flame Zone noting the grace period ceased on 1 January 2018 See below: Community Resilience Fact Sheet
Can a 1 Hour (FRL -/60/-) or 2 hour (FRL -/120/-) fire rated steel shutter comply with BAL FZ requirements?
1 Hour (FRL -/60/-) or 2 hour (FRL -/120/-) fire rated steel shutters are designed and tested to AS 1530.4 (2005) to stop fire from escaping sections inside a building. BAL FZ Bushfire Shutters are designed and tested to AS 1530.8.2 (2018) to stop bushfire flames and heat from breaking the glass windows and burning down the house from the outside. The difference between these types of shutters, BAL FZ shutters must be insulated. Single skin steel fire rated shutters are not insulated against the transfer of heat and do not comply with AS 1530.8.2 (2018).
Can a fabric fire curtain comply with BAL-FZ requirements?
No, a fabric curtain is not insulated against the transfer of heat and does not comply with AS 1530.8.2 (2018). Watch ABC video of house fire test with a fabric shutter failing to stop the front window from breaking, watch video to hear how the window glass broke at 7:10 minutes and the inside temperature was untenable at 200c. ABC House Fire Test
Can an Aluminium roller shutter comply with BAL FZ requirements?
No, aluminium will melt at 660C well below the Australian Standard test for BAL FZ AS 1530.8.2 (2018) test temperature of 841C.
What are BAL FZ shutters made of?
All AS 1530.8.2 (2018) BAL FZ compliant shutters are made of insulated double skin stainless steel. Bushfireshutter.com.au uses 304 grade stainless steel for high corrosion resistance and durability.