Low-pitch roofing engineered without compromise
Previously known as ARCPANEL Ecotek, DeltaTrimCorro combines low-pitch capability, long spans and thermal performance in a lightweight insulated roofing system, with a choice of EPS-FR or TPC insulated cores.
Insulated Roof Panel Systems
DeltaTrimCorro
DeltaTrimCorro
Designed for low-pitch roofing with exceptional span and cantilever capabilities
ARCPANEL DeltaTrimCorro is a lightweight insulated roof system designed for commercial and residential applications where low-pitch performance is essential.
Available with EPS-FR or TPC insulated cores, DeltaTrimCorro provides a choice of performance characteristics to suit different project requirements, including an FM Approved TPC option.
With a minimum roof pitch of just 2°, the system combines long-span capability, excellent thermal performance and a clean architectural finish suited to contemporary roof designs.
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.

Performance by design
Performance by design
Strength, efficiency and flexibility in one integrated roof system
Technical specifications
Technical specifications
An insulated roofing system engineered for demanding applications
DeltaTrimCorro combines long-span capability, thermal performance and lightweight construction to deliver versatile low-pitch insulated roofing for residential and commercial applications.
Panel configurations
| Specification | DeltaTrimCorro-EPS-FR | DeltaTrimCorro-TPC |
|---|---|---|
| Panel profile (top/bottom) | Trimdek / Corro | Trimdek / Corro |
| Minimum roof pitch | 2° | 2° |
| 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–R6.1 | R3.4–R6.6 |
| Cyclonic rating | C4 | C4 |
| FM Approved | No | Yes |
| Group fire rating | Group 1 | Group 1 |
Standard panel thicknesses: 75–250 mm. Contact ARCPANEL for available standard and custom thicknesses.

DeltaTrimCorro
Panel configurations

Design possibilities
See DeltaTrimCorro in application
From contemporary homes to commercial and community projects, DeltaTrimCorro provides low-pitch performance, long-span capability and a clean architectural finish for a wide range of roofing applications.
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.

Low-pitch design. High architectural impact.
DeltaTrimCorro for contemporary roof design
DeltaTrimCorro combines low-pitch capability with impressive spans and cantilevers, giving designers greater freedom to create clean, expansive rooflines.
Its lightweight insulated construction integrates roofing, insulation and ceiling in one efficient system, delivering thermal performance without compromising architectural appearance.
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.








