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At Architectural Metalformers our team of experts will lead you through the entire process of design, manufacture and installation, ensuring complete peace of mind. 

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Standing Seam is a European inspired tray roofing profile. It encapsulates the best of the traditional style roofing with the advantages of using modern technology.

A feature of Standing Seam roofing is the ability to adjust tray widths to suit the project requirements ensuring symmetry across the roof. It can also be completed in a single or double lock.

This profile is also an ideal solution when used as a wall cladding.


  • Depending on seam height, a minimum pitch of 3° or 5° is achievable.

  • Enables designers to use the profile to conform to height restrictions on most residential projects.

  • Tray widths vary from 250-510mm with an upstand of 25 or 38mm.

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After identifying that there was a gap in the market for a tray roof that fixes directly onto purlins which does not require a plywood substrate, Architectural Metalformers have launched a new addition to their roofing collection. 

Smart Tray Lock Seam roofing & cladding offers clients the look of a Standing Seam roof, but without the cost of plywood as it is installed directly onto purlins at 450mm centres.


  • This product is installed with the same robust flashing system and attention to detailing as Architectural Metalformers’ traditional roofing.

  • Available only in Aluminium and Steel.

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Flatlock Panel Roofing is the installation of a traditional wallcladding panel, but with revised and improved waterproofing to allow it to be applied to roof areas with pitches greater than 25°.


Installed over an adhesive backed waterproof barrier,


Flatlock Panel is a unique profile which can be customised to any module within a maximum sheet size of 400mm x 3000mm.

Available in Aluminium, Copper, Bronze, Zinc.

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A Batten Cap Seam profile adds significant aesthetic value by introducing a board and batten effect to the roof. This allows more dramatic shading depending on the light conditions.

Due to the extra width of the seams this adds an extra visual point of difference.

This profile is also an ideal solution when used as a wall cladding in either the vertical or horizontal aspect.


  • 38x50mm Batten Cap Seam adds significant aesthetic value by introducing a board and batten effect to the roof.

  • Conforming to height to boundary restrictions is easily achievable with the minimum pitch of 5° for the product.

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The Snap Lock profile is suitable for most roofing projects. With its unique profile, it is particularly suited to accommodate curved roof designs.



  • 305mm wide profile is suitable for most roofing projects.

  • It is particularly suited to accommodate curved roof designs.

  • Ability to drape in either concave and convex shapes.

  • Suitable for a minimum pitch of 5°, this profile is widely used in all residential projects needing to conform to height restrictions and low roof designs.

  • It looks equally attractive on a 45° pitch roof or used as a wall cladding.

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The Smart Tray Standing Seam Custom Panel is ideal for an European bespoke/custom-made roof. Custom made roofs require planning and design input at the early stages of the project so please contact our office at the beginning of the design process.

Examples of this type of panel include:

  • The aluminium conical feature roof on the ASB Head Office in the Auckland Viaduct.

  • The copper wave dome roof for the Auckland War Memorial Museum on the Auckland Domain.

  • The curved copper roof to the Vodafone Head Office.

  • High end residential curved, splayed roofing.

The indirect or concealed fixing means that there are no penetrations, therefore reducing the risk of leaks. 

Roofing Quick Guide
  • Minimum pitch: A 3° minimum pitch in accordance with E2/AS1.

  • Maximum span: For Lock Seam roofing, 450mm distance spacing between purlins.

  • Maximum length: Architectural Metalformers have successfully installed panels to 27 metres.

  • Installation Smart tray roofing: Is only available through Architectural Metalformers specialist trained installers.

  • Venting of plywood substrate: Is recommended for all Skillion roofs, achieved through our innovative flashing systems.

  • Plywood substrate: All roofs apart from Lock Seam require a solid minimum 15mm treated plywood substrate.

  • Dissimilar materials: Care should be taken when selecting materials that are in direct contact with each other. Please contact us if you require more information.

  • Colours: Colour charts and/or samples are available upon request. 

  • Materials available: All products with the exception of Lock Seam are available in copper, aluminium, zinc, steel and bronze. Lock Seam is available in only aluminium and steel.

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