What are Bal 40 windows?
BAL–40 reflects the need for increasing levels of ember attack and burning debris ignited by wind-borne embers together with increasing heat flux with the increased likelihood of exposure to flames. It is the highest stringency level outside BAL-FZ.
What does Bal 40 mean?
Bushfire Attack Level
Bushfire Attack Level (BAL) – 40 (Very High) BAL—40 is primarily concerned with protection of your building from ember attack and burning debris ignited by wind borne embers and exposure to a high level of radiant heat radiant heat up to and including 40 kW/m2.
Does Bal 40 require shutters?
Installing BAL-40 bushfire shutters is the only way to meet the BAL-40 standards with standard windows. The other ratings are BAL-29, BAL-19, BAL-12.5 and BAL-Low. BAL-Low is the only rating that doesn’t have any specific construction requirements.
What does Bal 40 require?
Under BAL 40 requirements, decking must be made of non-combustible material and should not be spaced. Decking supports must either be non-combustible (steel or concrete) or be fully enclosed. Gaps greater than 3mm in decking should be protected by corrosion resistant steel mesh with apertures less than 2mm in size.
What is the minimum FRL for a skylight in Bal 40 zone?
30
Skylights. Under BAL 40 requirements any glazed penetrations into your roof must have a FRL (fire resistance level) of (-/30/-) and where the roof pitch is less than 18 degrees glazed penetrations must also be protected by ember proof metal screens.
What are the Bal ratings?
Bush Fire Attack Level
| BAL | Description of risk |
|---|---|
| BAL – LOW | Lowest risk from a potential fire. |
| BAL – 12.5 | Risk is primarily from potential embers during a fire. |
| BAL – 19 | Moderate risk, particularly from embers and burning debris. |
| BAL – 29 | High risk, particularly from embers, debris and heat. |
How do I find my bal rating?
How do I get at BAL Risk Assessment Certificate? BAL certificates can be issued and obtained from your local council or recognised bush fire consultants. Please refer to the FPAA website at www.fpaa.com.au.
How much does a bal certificate cost?
The fee for a BAL certificate is $400.
Can I do my own bal assessment?
Can I arrange my own BAL assessment? While you are encouraged to use the information provided, you can engage an accredited consultant to prepare an independent assessment. The assessments would still need to be referred to the CFA.
Do I need a bal for a shed?
If your property is within, or even partially, within this designation, then you may need to get a BAL (Bushfire Attack Level) Assessment. This would need to be handed in with your Building Application. Depending on the rating you are assigned, it could add little or significant cost to your shed to make it compliant.
How do I reduce my bal rating?
Depending on the outcomes of your BAL assessment, building construction standards can be increased to meet the requirements of your assessed BAL. Alternatively, vegetation modification surrounding the allotment/dwelling can be undertaken to reduce the BAL and consequent exposure level during a bushfire.
What are BAL-40 windows made of?
BAL-40 ratings require hardware and frames to be made from metal materials, making aluminium windows and doors a strong choice. Are louvre windows available? The only popular window style not to be included at BAL-40 level is the louvre window.
Are Corinthian doors Bal 40 compliant?
Corinthian offers a large range of doors designed and manufactured to meet the regulatory requirements of building to BAL 40 standards. To determine your home’s BAL rating, and any special requirements for building in your area, consult your local council, government, or local fire authority.
What is a Bal rated door?
Hotels, residential units, schools, public buildings, office blocks, hospitals, homes and shopping centres. The standard finish on BAL rated doors is ply sheet. Other finishes available include MDF, Duracote, and veneer. Metal sheets with thicknesses up to 1.5mm can be used to increase durability and security. Based on standard door configuration.
Which window styles are not included at BAL-40 level?
The only popular window style not to be included at BAL-40 level is the louvre window. This is due to the nature of the design, however we are able to supply a BAL-19 rated louvre window. If you are building new you will need to undertake a BAL assessment.