LONGRUN ROOFING & CLADDING FOR TARANAKI,  WANGANUI & KING COUNTRY

STRONG, RELIABLE, AND BUILT FOR NEW ZEALAND CONDITIONS

When you need roofing that stands the test of time, Taranaki Steelformers’ Longrun Roofing delivers. Manufactured right here in New Zealand, our longrun products are designed to perform in the toughest conditions — from coastal winds to rural rainstorms.

Each profile is roll-formed in-house to ensure consistent quality, strength, and performance. Whether you’re after a traditional corrugate look or a bold modern design, our range of longrun profiles offers the perfect solution for residential, commercial, and industrial builds alike.

With more than 40 years of local manufacturing experience, our team understands what it takes to create roofs that last. For product advice or a free quote, call 0800 4 ROOFING (0800 4 766 346) today.




Steelformers Corrugate is a traditional Kiwi favourite — strong, cost-effective, and timeless. Manufactured using long-run roll forming and installed with screw fasteners, this versatile profile is ideal for both roofing and wall cladding.

 

Its classic shape complements everything from heritage homes to modern farm sheds, providing durability and ease of installation at a competitive price. Steelformers Corrugate remains one of our most popular choices for domestic and commercial projects alike.

To view Corrugate Flashings, see our Flashings page

SPECIFICATIONS

SHEET WIDTH

851 mm

 

SHEET COVER

760 mm

 

MINIMUM PITCH

8°

 

SCOPE OF USE

Suitable for residential, commercial and industrial roofing, cladding and internal lining applications

 

APPLICATION

Roofing and vertically or horizontally laid cladding

AVAILABLE IN

  • Zincalume®, Galvsteel®, Colorsteel Maxam®, Dridex® and Altimate® by New Zealand Steel.


  • Mill finish 0.9mm aluminium and ColorCote AlumiGard®


  • A range of Alsynite clear sheeting is available to match

 

SHEET LENGTHS

Sheet lengths are custom run to order.

 

FASTENERS & FIXINGS

Fastener requirements are in accordance with NZS3604:2011, using 12g screws coated to NZMRM Fastener Std Class 5.

Bold and distinctive, Steelformers Styleline offers a modern take on traditional roofing. Its trapezoidal design gives it strength, structure, and visual impact — perfect for residential homes, retail spaces, and commercial buildings.

 

Light yet strong, Styleline provides excellent spanning capability and a clean aesthetic that suits both roofing and wall cladding applications.

To view Styleline Flashings, see our Flashings page 

Designed for versatility and style, Steelformers Ribline is a low-rib trapezoidal profile that’s ideal for residential roofing, cladding, farm buildings, and light industrial structures.

 

It offers the same reliability as Corrugate but with a flatter, more refined look — giving builders and homeowners an alternative aesthetic without compromising strength or performance.

To view Ribline Flashings, see our Flashings page 

For industrial strength and bold performance, look no further than Steelformers NC710. This robust trapezoidal system boasts the best spanning capabilities of any locally produced profile, making it the go-to choice for commercial and industrial applications.

 

Big and bold in design, NC710 provides unmatched structural performance while maintaining sleek, modern lines.

To view NC710 Flashings, see our Flashings page 

Combining strength, style, and smart design, Steelformers DB7 is engineered for performance. Its wider effective cover and excellent water run-off make it perfect for low-pitch roofs and larger commercial projects.

 

DB7’s high strength allows for wider purlin spacings, reducing material costs while maintaining superior rigidity and visual appeal.

To view DB7 Flashings, see our Flashings page 

FREQUENTLY ASKED QUESTIONS

  • WHAT IS LONGRUN ROOFING?

    Longrun roofing refers to metal roofing sheets that are roll-formed into continuous lengths. This means fewer joins, reduced leak risk, and faster installation. It’s ideal for both roofing and wall cladding.

  • WHICH LONGRUN PROFILE IS BEST FOR MY PROJECT?

    It depends on your structure and design preferences. Corrugate offers classic appeal, while Styleline and Ribline suit modern homes. For industrial projects, NC710 or DB7 provide superior spanning capability and strength.

  • ARE YOUR LONGRUN PRODUCTS MADE IN NEW ZEALAND?

    Yes. All our profiles are manufactured locally by Taranaki Steelformers using New Zealand steel. This ensures durability, performance, and suitability for local weather conditions.

  • CAN LONGRUN ROOFING BE USED ON WALLS TOO?

    Absolutely. Most of our longrun profiles double as wall cladding, giving your building a cohesive, stylish finish.

  • HOW LONG DOES LONGRUN ROOFING LAST?

    When installed correctly and maintained, longrun roofing can last 40 years or more. Using COLORSTEEL® finishes further enhances corrosion resistance and longevity.

WHY CHOOSE TARANAKI STEELFORMERS FOR LONGRUN ROOFING? 

Locally made products built specifically for New Zealand conditions.

 Five distinctive profiles to suit every project and architectural style.

Expert manufacturing using precision roll-forming processes.

Fast, reliable delivery from our own fleet across Taranaki and Wanganui.

Over 40 years of experience and trusted industry knowledge.

Custom advice and free quotes to help you choose the right profile.

From rural sheds to modern homes and industrial facilities, our Longrun Roofing range combines strength, style, and long-term performance.

 

Contact Taranaki Steelformers Ltd today on 0800 4 ROOFING (0800 4 766 346) to discuss your project or request a quote.

Get expert advice and durable longrun roofing for your next build. Call 0800 476 346 today.