Gerard Bond

Product Description

Click below to access the CAD files and Technical documents.

The traditional scalloped style of a tile roof that is often seen on traditional brick homes, but is equally appropriate above plaster or weatherboard exteriors.

 Key features

  • Aluminium-zinc alloy coated steel, made to AS 1397, compliant with NZS 4217 Pressed Steel 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.
Scope of use

Gerard Bond 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)

Limitations on use
  • Minimum roof pitch 12 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