Colorbond® Roofing Trimdeck 0.42

The Colorbond Roofing Sheet in the Trimdeck 0.42 profile is engineered for strength, durability and clean, modern aesthetics. Manufactured using genuine BlueScope steel, this roofing sheet combines the performance of the COLORBOND® paint system with a bold, high-ribbed profile, making it ideal for both residential and commercial applications. The trapezoidal rib design enables installation on roofs with a minimum pitch of just 2 degrees—perfect for long spans and contemporary architectural styles.

Key Technical Specifications

Specification	Detail
Base Metal Thickness (BMT)	0.42 mm (optional 0.48 mm)
Effective Cover Width	762 mm
Overall Sheet Width	820 mm
Rib Height	28–29 mm
Minimum Roof Pitch	2 degrees
Approx. Weight	3.21 kg per linear metre
Sheet Lengths	Cut to size, up to 10 metres

Colour & Finish Variations

All finishes are baked onto the Colorbond Roofing Sheet for consistent performance. Options include:

Core Range (22 Colours)

Dover White
Surfmist
Evening Haze
Southerly
Dune
Paperbark
Classic Cream
Shale Grey
Bluegum
Windspray
Gully
Jasper
Wallaby
Basalt
Woodland Grey
Monument
Night Sky
Ironstone
Deep Ocean
Cottage Green
Pale Eucalypt
Manor Red

Double-sided Patio Colours

Classic Cream / Classic Cream Gloss
Manor Red / Classic Cream Gloss
Paperbark / Paperbark Gloss
Surfmist / Thredbo White Gloss
Woodland Grey / Classic Cream Gloss
Monument / Thredbo White Gloss

Why Choose Colorbond Trimdeck 0.42?

High Spanning Capacity – Ideal for wide coverage with fewer support structures
Durability – Coated with ACTIVATE® technology to resist corrosion, chipping, and chalking
Low Maintenance – Long-lasting colour retention with minimal upkeep
Thermal Efficiency – Reflects more heat, helping to regulate indoor temperatures
Custom Cut – Sheets are tailored to your specific length requirements for a seamless fit

Whether you’re roofing a shed, warehouse, or modern home extension, the Colorbond Roofing Sheet in Trimdeck 0.42 offers dependable performance, a sleek profile, and a wide range of colours to suit any design.

COLORBOND® Brochures

Colorbond Steel Insipred Homes

COLORBOND Steel Renovations and Additions Brochure

COLORBOND® Colours

COLORBOND® Warranty

For COLORBOND® steel and ZINCALUME® steel, BlueScope offers a warranty against corrosion to perforation by weathering in the natural elements for a period of up to 36 years* from the date of installation. BlueScope also warrants that the paint system on COLORBOND® steel will not flake or peel due to natural weathering for a period of up to 20 years* from the date of installation. Warranties differ per product and have various terms and conditions to be met before your project qualifies for a warranty. Warranties of shorter time periods are available where different terms and conditons apply.