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.

DeltaTrimCorro-EPS-FR low-pitch insulated roof panel

Performance by design

Performance by design

Strength, efficiency and flexibility in one integrated roof system

  • Suitable for low-pitch roof applications from 2°
  • Available in panel thicknesses from 75 mm to 250 mm
  • Achieve spans of up to 12.6 m, reducing the need for complex support structures
  • Trimdek roof profile with a corrugated ceiling finish
  • Pre-finished roof and ceiling surfaces reduce additional finishing requirements
  • Lightweight insulated panel construction for easier handling and installation
  • Suitable for use in cyclonic wind conditions up to C4
  • Cantilevers up to 4.2 m with EPS-FR and 3.0 m with TPC
  • Available in a wide range of UniCote® and COLORBOND® colours and finishes
  • All-in-one system combines roofing, insulation and ceiling
  • Rapid installation compared with conventional roof construction
  • Group 1 fire rating
  • Thermal performance up to R6.6, depending on core and panel thickness
  • FM Approved TPC option available for projects requiring third-party certified performance
  • CodeMark Certificate of Conformity CM40309 applies to the EPS-FR system
  • Designed and engineered to meet applicable National Construction Code (NCC) requirements

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
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-EPS-FR insulated roof panel profile and dimensions

DeltaTrimCorro

Panel configurations

DeltaTrimCorro-EPS-FR insulated roof panel profile and dimensions

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.

ARCPANEL insulated roof panels in a COLORBOND® steel finish

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.

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.