Long-run Steel Roofing and Cladding Profile

TRS Corrugate Steel Roofing and Wall Cladding System

TRS Corrugate

TRS Corrugate - Long Run Steel Roofing and Cladding Profile

TRS Corrugate for roofing and cladding offers timeless elegance and unmatched adaptability with its traditional corrugated profile. It is for both residential and commercial applications. Its installation is suitable for timber and/or steel structures. Made from G550 grade steel with a minimum BMT of 0.40mm and a maximum BMT of 0.55mm, it provides enhanced resilience against damage.

General

Minimum Roof Pitch:
Effective Cover: 762mm

Spans

End Span 0.40/0.55 BMT: 700 mm/900 mm
Internal Span 0.40/0.55 BMT: 900 mm/1300 mm

Roofing Fixings

Low/Medium Wind Zone

Timber: class 4 12 x 55mm with neo washer and embossed washer
Steeltite: 12 x 65mm with neo washer and embossed washer

High Wind Zone

Timber: class 4 12 x 55mm with neo washer and embossed washer, approved profile’s metal washer and EPDM washer.
Steeltite: 12 x 65mm with neo washer and embossed washer,
approved profile’s metal washer and EPDM washer.

Wall Cladding Fixings

Cladding fixing on 20mm, H 3.1 Treated Battens.
12 Gauge class 4 screws with neo washers, miss 2 pans, miss 3 pans every second on ends.

A small residential house featuring TRS Corrugate roofing in the Grey Friars colour, surrounded by lush greenery and a wooden deck.
Diagram illustrating the profile and size specifications of TRS Corrugate roofing, including effective cover, thickness, spans, and minimum pitch.

Note:

TRS Corrugate is long-run roofing and wall cladding systems. For use as roofing in extra high wind zones, the profile BMT should be 0.55mm, fixed with 12x65mm screws, and the purlin spacing should be 600mm center-to-center. The screw pattern for TRS Corrugate can be at every alternate crest.
For wall cladding in extra high wind zones, the BMT for both TRS Corrugate should also be 0.55mm, fixed with 12x50mm screws. TRS Corrugate can be fixed at alternate crests.

See below for TRS Corrugate product specifications and downloadable files:

KiwiColour® Options – Vitor+, Vitor+ZX and Vitor+MG

Common Features

Five Layers of Protection:
Vitor+, Vitor+ZX, and Vitor+MG all feature a durable five-layer system:
* Optional protective film
* Topside: 20μm polyester topcoat + 5μm primer
* Backside: 5μm epoxy primer
* Metallic coating
* Pre-treatment layer

Standards & Compliance:
All products are manufactured in accordance with AS/NZS 2728:2013 and meet the New Zealand Building Code requirements for:
* B1: Structure
* B2: Durability
* C3: Fire Safety
* F2: Hazardous Building Materials
* They are also non-combustible, classified as Group 1S under C/AS2.

Steel Substrate Options:
Available in 0.4mm and 0.55mm thicknesses to suit different structural and design requirements.

Wide Colour Range:
Offered in a broad palette, all finishes combine aesthetics with long-term performance—helping designers realise their vision with confidence.

Key Differences

Vitor+:
Ideal for moderate environments, Vitor+ offers dependable performance where exposure to harsh conditions is limited.

Vitor+ZX:
Designed for harsh environments, including coastal and high UV areas. It provides:
* Superior durability
* Enhanced gloss finish
* Extended warranties (when used in moderate settings)

Vitor+MG:
Built for maximum corrosion resistance, especially in coastal areas.
It features an advanced aluminium-zinc-magnesium alloy coating (unlike the aluminium-zinc coating of Vitor+ and Vitor+ZX), delivering:
* Exceptional durability
* Improved formability
* Long-term protection in aggressive environments

Please note: all colours are available in 0.40mm. Colours marked with * are also available in 0.55mm.

Colour & Finish Options – Lux

Lux is a revolutionary steel coating that will transform how you approach building materials. Lux combines the strength and durability of prepainted steel with the designer aesthetic of materials like wood, zinc, corten, fabric, or stone. Like our other steel coatings, Lux is engineered to provide maximum colour retention, exceptional formability, superior durability, and outstanding gloss in any weather condition.

Logo for Lux Steel Metal Roofing and Cladding Protective Coating

Please note:
All Lux finishes are available in 0.55mm base metal thickness, Grade G300, and are suitable for a wide range of architectural roofing, internal and external wall claddings, rainwater goods, and general applications.

While every effort has been made to match the displayed colours as closely as possible to the true colours, digital colour limitations may result in slight variations. For an exact colour match, please request a physical colour swatch from your local store.

Some profiles may have a limited colour range. For more information, consult with your local branch.
You can find the nearest local store by clicking here.

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