Engineered for exceptional architectural freedom

Previously known as ARCPANEL Custom Panel, DeltaCorroCorro combines long-span capability, thermal performance and lightweight construction with a choice of EPS-FR or TPC insulated cores.

Insulated Roof Panel Systems

DeltaCorroCorro

Climate resilient, energy efficient roofing

Versatile insulated roofing with exceptional span and cantilever capabilities

ARCPANEL DeltaCorroCorro is a high-performance insulated roof system combining strength, durability and excellent thermal performance with exceptional design flexibility.

Available with EPS-FR or TPC insulated cores, DeltaCorroCorro provides a choice of performance characteristics to suit different project requirements, including an FM Approved TPC option.

Available in straight, curved and multi-curved configurations, the CorroCorro profile gives architects and designers greater freedom to create distinctive roof forms while maximising usable space below.

Its impressive spanning and cantilever capabilities can reduce the need for complex supporting structures, while lightweight panel construction helps simplify installation and reduce construction time.

ARCPANEL DeltaCorroCorro-EPS-FR insulated roof panel
ARCPANEL DeltaCorroCorro-EPS-FR insulated roof panel

Panel configurations

Panel configurations

Flexible roof forms for greater design freedom

DeltaCorroCorro can be manufactured in a range of configurations to suit both simple and complex architectural roof forms. Choose from straight, curved, multi-curved and bull-nose panels to meet the requirements of your project.

Straight roof

Straight panels can be manufactured up to 19 metres in length. Longer lengths can be achieved, contact us for details.

Curved roof

Curved panels are custom manufactured to suit your design requirements (minimum radii 3.0 metres).

Multi-curved roof

Multi-curved panels are custom manufactured to suit your design requirements (minimum radii 3.0 metres).

Bull-nose roof

Bull-nose panels can be manufactured to suit a bull-nose radii of 750mm to 1200mm. Bull-nose panels can be manufactured in lengths up to 12 metres.

Performance by design

Performance by design

Strength, efficiency and flexibility in one integrated roof system

  • Roof pitch options from 2°, depending on core and application
  • Maximum panel lengths up to 19 m
  • Achieve up to 12.6m unsupported spans – reduce expensive support structures e.g. roof trusses & support beams
  • Corrugated profile is used on both sides, reducing the need for ceilings and internal painting
  • Pre-finished – extensive range of colours
  • Straight, curved or multi-curved configurations
  • Cantilevers up to 4.2 m with EPS-FR and 3.0 m with TPC
  • Suitable for use in cyclonic wind conditions
  • FM Approved TPC option available for projects requiring third-party certified performance
  • DeltaCorroCorro-EPS-FR and TPC roof panels are available with a range of pre-finished steel options
  • Rapid installation makes the DeltaCorroCorro roof panel a clear winner over traditional roof construction.
  • Fire rated to Group 1 – roof and wall lining material
  • Superior standard thermal ratings up to R6.6 are achieved with DeltaCorroCorro, depending on core and panel thickness.
  • Panels meet the requirements for live and concentrated imposed loads for roofs not accessible except for normal maintenance as per AS1170.1:2002
  • Can be customised to your requirements.
  • Warranty period of up to 20 years, for peace of mind.
  • Designed and engineered to meet applicable National Construction Code (NCC) requirements.

Technical specifications

Technical specifications

An insulated roofing system engineered for demanding applications

DeltaCorroCorro is available with EPS-FR or TPC insulated cores, combining long-span capability, thermal performance and lightweight construction in a versatile insulated roof system.

Panel configurations

Specification DeltaCorroCorro-EPS-FR DeltaCorroCorro-TPC
Panel profile (top/bottom) Corro / Corro Corro / Corro
Minimum roof pitch 5°*
Maximum span 12.6 m 12.6 m
Maximum cantilever 4.2 m 3.0 m
Maximum length 19 m 19 m
Minimum length 1.8 m 1.8 m
Panel thickness 75–250 mm 75–250 mm
R-value R1.7–R6.5 R3.4–R6.6
Cyclonic rating C4 C4
FM Approved No Yes
Group fire rating Group 1 Group 1

*5° minimum roof pitch for Building Classes 1–9; 3° for Building Class 10.
Standard panel thicknesses: 75–250 mm. Contact ARCPANEL for available standard and custom thicknesses.

DeltaCorroCorro

Panel configurations

Design possibilities

See DeltaCorroCorro in application

From contemporary homes to complex architectural roof forms, the DeltaCorroCorro insulated roofing system provides the spanning and cantilever capabilities to create distinctive roofing solutions across a wide range of projects.

Roof colours & finishes

Roof colours & finishes

Premium steel colours and finishes for greater design flexibility.

Choose from a wide range of COLORBOND®, UNICOTE® and UNICOTE® LUX steel colours and finishes to complement your project. Selected ARCPANEL systems can also be specified with different colours or finishes to the top and bottom skins.

Colour availability varies by panel type, with both stocked and project-specific options available. View our colour availability guide or contact ARCPANEL to discuss the most suitable finish for your project.

ARCPANEL insulated roof panels in a COLORBOND® steel finish

Bring ambitious roof designs to life

DeltaCorroCorro at the National Cartoon Gallery, Coffs Harbour

he National Cartoon Gallery extension showcases the architectural flexibility of DeltaCorroCorro, with straight and curved insulated roof panels creating the building’s distinctive roof form.

Designed by G2 Architects, the project demonstrates how lightweight insulated roofing can combine bold architectural geometry with thermal performance and an integrated ceiling finish.

ARCPANEL on a commercial building

Australian made insulated roofing by ARCPANEL

ARCPANEL by Delta combines decades of insulated panel experience with a focus on innovation, quality and performance. Australian made and rigorously tested, our roof systems are trusted across residential, commercial and architectural projects.

ARCPANEL for residential outdoor living area

Have questions about ARCPANEL roof systems?

Find helpful answers to common questions about ARCPANEL insulated roof panels, from design options and thermal performance through to installation, finishes and technical requirements. Our FAQs provide practical information about the ARCPANEL roofing system.