Gerard Shake

Product Description

Click below to access the CAD files and Technical documents.
Irregular grooves give this profile a recurring yet organic pattern that works on a wide variety of homes. Supremely versatile, and immensely popular.

 Key features

  • Aluminium-zinc alloy coated steel, made to AS 1397, compliant with NZS 4217 Pressed Metal Tile Roofs.
  • Non-combustible - compliant with AS/NZS 1530.3. Approved for use in Australia's highest bush fire zone (BAL-FZ)
  • Efficient to transport
  • Available in 29 different colors
  • Warranty up to 30 years.

Other performance attributes 

  • Long lasting in any environment
  • Made from steel - infinitely recyclable
  • Lightweight interlocking design provides strong seismic performance
  • Opposes wind uplift to improve performance.
  • Exceeds the worlds health organisations standard for water run-off
  • Lightweight with a high strength-to-weight ratio

Gerard Shake is suitable for use on buildings that comply with NZS 3604.

Code-compliant for the following environmental conditions:

  • Wind Zone - Specific Design
  • Corrosion Zone - Corrosion Zone D
  • Seismic Zone - High

Compatible with all three styles of Gerard trim (Angle, Barrel and Box)


Installation requirements 

  • Minimum roof pitch 15 degrees.
  • System is Code-compliant on the condition it is installed by a licensed applicator / installer.
  • Rafters and valley boards are to be correctly installed by the builder before roofing can start (refer to the Builders' Checklist).

If alterations are made to the home after the installation of the roof - such as fitting of chimneys, extension, installation of skylights etc - it is important to ensure that the materials that are used are compatible with the roofing material.

It is recommended to chemically clean the roof before growths are seen as a preventative maintenance measure.


Statement of Building Code compliance

The system if designed, used, installed and maintained in accordance with supporting technical information and additional conditions and limitations will meet the following provisions of the New Zealand Building Code:
  • B1 Structure
  • B2 Durability
  • E1 Surface Water
  • E2 External Moisture