Certificate number: CM40309-I03-R00 
This certificate is only valid when reproduced in its entirety. 
Page 5 of 7 
 
A3 Product specification 
Fire Hazard 
Properties 
C2D11(1)(i) 
 
 
Ignitability 
Index 
Spread of 
Flame Index 
Heat Evolved 
Index 
Smoke 
Developed Index 
Group Number 
Classification 
Delta 
CorroCorro 
EPS-FR, pre-painted steel skins bonded to an EPS core with fire retardant. | 
Core Density 13.5kgm3 
0 
0 
0 
0-1 
Group 1 
TPC, pre-painted steel skins bonded to a Thermosetting Phenolic Composite 
core. | Core Density 36kgs/m3 
0 
0 
0 
3 
Group 1 
Delta Trim 
EPS-FR, pre-painted steel skins bonded to an EPS core with fire retardant. | 
Core Density 13.5kgm3 
0 
0 
0 
2 
Group 1 
TPC, pre-painted steel skins bonded to a Thermosetting Phenolic Composite 
core. | Core Density 36kgs/m3 
0 
0 
0 
1 
Group 1 
Delta 
TrimTrim 
EPS-FR, pre-painted steel skins bonded to an EPS core with fire retardant. | 
Core Density 13.5kgm3 
0 
0 
0 
3 
Group 1 
TPC, pre-painted steel skins bonded to a Thermosetting Phenolic Composite 
core. | Core Density 36kgs/m3 
0 
0 
0 
1 
Group 1 
Delta 
TrimCorro- 
EPS-FR, pre-painted steel skins bonded to an EPS core with fire retardant. | 
Core Density 13.5kgm3 
0 
0 
0 
0-1 
- 
TPC, pre-painted steel skins bonded to a Thermosetting Phenolic Composite 
core. | Core Density 36kgs/m3 
0 
0 
0 
3 
- 
Delta Orb 
EPS-FR, pre-painted steel skins bonded to an EPS core with fire retardant. | 
Core Density 13.5kgm3 
0 
0 
0 
2 
Group 1 
TPC, pre-painted steel skins bonded to a Thermosetting Phenolic Composite 
core. | Core Density 36kgs/m3 
0 
0 
0 
0-1 
Group 1 
The specimens were tested in accordance with Specification 3 & 7 – Fire Hazard Properties, however no perforations, recesses or the likes were tested and sit outside of the scope of 
certification. 
Bushfire Attack 
Level (BAL) 
 
For the purpose of building regulations in Australia, the test specimen achieved a Bushfire Attack Level (BAL) of AA29. 
This report details the methods of construction, the test conditions and the results obtained when the specific element of construction described herein was tested in accordance with the 
test method of AS 1530.8.1. 
NOTE: Bushfire Attack Level (BAL) results are limited to the TPC core panel only. 
Source: CSIRO (Infrastructure Technologies); Report titled Bushfire test on a roof system, dated 21/12/2023 
Roof Covering / 
Cladding 
 
The products described as DeltaOrb & DeltaTrim when installed at a roof pitch of five degrees or more, complies with the requirements of AS1562.1:2018- Design and Installation of Metal 
Roof and Wall Cladding Metal. 
It follows that the compliance with AS1562.1:2018 then satisfies the requirements of the Building Code of Australia 2022 Volume One deemed to satisfy provision F3D2(b) – Roof Covering 
and Volume Two deemed to satisfy provision H2D6(4) – Roof Cladding & H1D7 – Sheet Roofing. 
Source: Summermore Pty Ltd; Report titled WEATHER TIGHTNESS CERTIFICATION, dated 30/4/2024. 

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