Trimline Roofing | Cladding


Trimline Roofing | Cladding is a premium low rib, six-ribbed trapezoidal profile, offering great looks and exceptional performance. Trimline has an extra rib compared to most other products in its class, giving it unequalled good looks and greater rigidity. 


  • Manufactured in Auckland, Whangarei and Wellington
  • Minimum pitch 3°
  • Can be crimp curved to 400mm radius
  • Can be sprung curved to minimum 25 metre radius
  • Translucent sheeting available to match
  • Category
    Aluminium Roofing, Steel Roofing, Metal Cladding


All material selections must be compatible with prevailing environmental conditions and adjacent materials, see Roofing Solutions Product Guide or Specifiers Guide for details. Areas not exposed to rain washing will require programmed maintenance.


Trimline in 0.55BMT G300 material can be crimp curved to minimum radii of 400mm. Depending on grade and purlin spacings, it can be sprung curved down to convex radii of 28 metres. Clear sheeting is available in G.R.P. (fibreglass).


Available in metallic coated and pre-painted steel in .40mm and .55mm B.M.T. (base metal thickness) aluminium plain and prepainted in .70mm and .90mm, and other non-ferrous metals. 

Minimum Pitch

In accordance with Acceptable Solution E2, the minimum pitch for Trimline for roofing dwellings is 3˚. Roof runs in excess of 35 metres should be checked for water runoff capacity.

Foot Traffic

Foot Traffic up the roof must take place in the pan of the profile, or over purlin lines. Traffic across the roof must take place along purlin lines.


Recommended specifications are available in the branded sections of MasterSpec BASIC or MasterSpec STANDARD, or from your local Steel & Tube branch or visit our website.

Steel & Tube Holdings
View locations (15)
Get in touch
Visit Website

Projects featuring
Trimline Roofing | Cladding

About the

  • Products listed
  • Recent Responsiveness


    Usually responds within
    5 days on weekdays

Steel & Tube is one of New Zealand’s leading providers of steel solutions, and a proud New Zealand company, with over 60 years of trading history.

We offer a comprehensive range of steel products, services and solutions available in the market, and our stable of best-in-class businesses are some of this country’s leading steel suppliers. We distribute and process a range of products from nuts and bolts, to roofing and reinforcing and through to the largest structural steel products. This guide provides an overview of our wide range of products across multiple sectors including Building & Construction, Manufacturing & Industrial and Rural: www.

As experts in our field, we pride ourselves on being able to offer a consistent end-to-end customer experience, advising, sourcing and supplying customers with their steel requirements. And underlying everything we do is our continued commitment to quality. We play a key role in supporting New Zealand’s economic growth and development. With a national network of branches and distribution centres, we are wherever you need us.

Did you know that you can check prices and stock availability, request a quote, order online, download invoices and much more via our Webshops?  Click here to register online or call 0800 196 757 to find out more.