FCO-3545  
 
 
 
 
 
 
 
   
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Copyright CSIRO 2024   This report may only be reproduced in full. Alteration of this report without written authorisation from CSIRO is forbidden. 
 
 
5 Conclusion 
Based on the analysis presented in this report, it is the opinion of this Accredited Testing Laboratory that 
the tested prototypes described in Section 2 when varied as described in Section 3 will achieve the BAL 
performance stated below when submitted to a test in accordance with the test method referenced in 
Section 4 and subject to the requirements of Section 7, the validity of Section 8 and limitation of section 
9. 
Table 2: BAL performance of Delta panel roof systems 
Framing 
Roof pitch 
Panel profile 
Figures 
BAL performance 
Timber framing in accordance 
with AS 1684 or 
Steel framing in accordance 
with NASH standard 
8-75 degrees 
Delta Trim roof 
profile 
4, 5 and 6 
Up to BAL: AA29 
Delta Orb roof 
profile 
1, 2, 3 and 6 
 
6 Direct Field of Application of Results 
The results of this report apply to roofs exposed to the effects of bushfire from the side tested in the 
referenced test. 
 
7 Requirements 
Any variations with respect to size, constructional details, loads, stresses, and edge or end conditions 
that are other than those identified in this report, may invalidate the conclusions drawn in this report.  
 
8 Term of Validity 
This assessment report will lapse on 30th April 2029. Should you wish us to re-examine this report with 
a view to the possible extension of its term of validity, would you please apply to us three to four months 
before the date of expiry. This Division reserves the right at any time to amend or withdraw this 
assessment in the light of new knowledge. 
 
9 Limitations 
The conclusions of this assessment report may be used to directly assess the fire performance under 
such conditions, but it should be recognised that a single test method will not provide a full assessment 
of the fire hazard under all fire conditions. 

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