DeltaCorroCorro-TPC is an Insulated Roof Panel System, 
comprising of two pre-painted, roll-formed steel skins, 
bonded to a Thermosetting Phenolic Composite core.
Both skins offer classical corrugated lines with all of the 
benefits of modern Insulated Panel technologies.
Recommendations
 •  Commercial Buildings  
 •  Community Covered Areas
 •  Schools
 •  Sporting Complexes
 •  Covered Walkways
 •  Wineries
 •  Architectural Features
 •  Shopping Centres
Steel Skin Details
Top Skin
0.42mm / G550 AZ150
Bottom Skin
0.42mm / G550 AZ150
Max. Skin Temperature
78oC Dry Heat
Core Material Details
Thermosetting Phenolic Composite 
Thermal Conductivity
AS 1366.2/ASTM C 518
Average 0.039 W/mK @23℃
Adhesive
Thermosetting two-part adhesive
Core Density
36kgs/m3 +/- 4kgs
Panel Weight (kgs/m2) 
based on 0.6mm steel 
skins
75mm Panel
12.06
100mm Panel
12.43
125mm Panel
12.79
150mm Panel
13.15
175mm Panel
13.51
200mm Panel
13.86
External Roof
R Value (m2.K/W) 
AS/NZS 4859 Parts 1 & 
2:2018
Thickness
Winter 
(15oC)
Summer 
(23oC)
75mm Panel
2.10
2.05
100mm Panel
2.75
2.65
125mm Panel
3.40
3.30
150mm Panel
4.05
3.90
175mm Panel
4.75
4.60
200mm Panel
5.40
5.20
Factory Mutual
FM Approval Class 4880, 4881, 4882 & 4471
Length Tolerance 
5mm +/- 
Sheet Coverage (mm)
1000mm, +/-5mm
Length (mm)
Cut to Length Min of 1800mm
Thickness (mm)
75, 100, 125, 150, 175, 200, 225, 250
Minimum Roof Pitch
Building Classes 1-9   - 5º
Building Class 10        - 3º
Patent Application No.
AU2023266264
DeltaCorroCorro-TPC
DeltaCorroCorro-TPC
Detail B
Detail A
SPECIFICATIONS
Due to the nature of the manufacturing process the actual dimensions 
may vary. Please refer to the stated acceptable tolerances allowances.
Early Fire Hazard Properties AS 1530.3:1999
AWTA Test Report 23-000591 20-02-2023
Index
Test Range
External Top Skin
Ignitability
0-20
0
Spread of Flame
0-10
0
Heat Evolved
0-10
0
Smoke Developed
0-10
3
Fire Test Certificate - AS ISO 9705
Group 1 Classification in accordance with NCC Volume 
One Specification BCA2022 C2D11 & Specification 7,  
Fire Hazard Properties, Clause S7C4 determined in 
accordance with AS 5637.1:2015 as per BRANZ test 
report FI6323-01-2 issued 23rd February 2021
Delta Panels Pty Ltd - ABN: 11 147 861 292
E: info@deltapanels.com   
W: www.deltapanels.com    
Head Office: 731 Boundary Road, Richlands, Qld 4077    P: +61 7 3271 2170    
Sydney Depot: 11 The Old Northern Road, Narellan, NSW 2567   P: +61 2 4611 7712      
Version Date: 2025-11-28

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