About Us

Dimond Roofing - get the edge


The team at Dimond Roofing are passionate about one thing – giving our customers an edge in business.

To do this we operate with team of 130 staff through a national network of 10 branches. We are guided by a set of principles based on continuous improvement, which include:

  • Dependability – homeowners, architects and roofing installers can depend on our performance
  • Honesty – you can trust us to upfront and honest at all times
  • Innovative – we strive to bring new products and systems to the market on a regular basis

For over 50 years Dimond Roofing has been a leading supplier to the New Zealand construction industry. We offer the leading range of long run roofing, cladding, architectural tray, and solar roofing products across New Zealand. These products are used by homeowners, commercial building owners, builders and farmers across the country.

While Dimond Roofing does not offer an installation service, it can recommend some amazing residential and commercial installers.

Dimond Roofing is widely regarded as the industry experts. With a dedicated technical team for Architects and Specifiers and a full range of CAD details, we're here to help whether you're working on a new building or additions & alterations. See our Technical Manual to access a full range of details and installation guidelines.

As part of the Fletcher Steel group of companies, you can rest assured we are always striving to improve our offer to you and to provide New Zealand with quality products and service.

Fletcher Steel is comprised of:

Our Affiliated Associations


Metal Roofing Manufacturers

The New Zealand Metal Roofing Manufacturers Association Inc (NZMRM) represents those companies that roll-form steel and other metals for roofing and cladding purposes.


Commonly known as "Rollformers" there are 25 of these companies who are members of NZMRM. Members are involved in producing a wide range of profiled product, both painted and unpainted.


The association is also active in the development and promotion of industry Standards and in conducting research that promotes the use of metal roofing and cladding.

Roofing Association if New Zealand

Established as an Incorporated Society in 1994, RANZ is the national trade organisation and representative collective voice for the roofing industry.


RANZ is actively engaged in the business of ensuring a more professional, health & safety conscious, quality trained, skilled and qualified industry. We represent the roofing industry in all aspects of legislation and compliance involving government, regulatory and local government authorities.


NZ Institute of Architects

The New Zealand Institute of Architects supports their members with a range of services and is committed to promoting and celebrating outstanding architecture which enhances the built environment for all New Zealanders. Dimond Roofing are a proud Industry Provider for CPD offered by NZIA. Click here for more information.



NZ Green Building Council

The New Zealand Green Building Council (NZGBC) is a not-for-profit, industry organisation. Their vision is that New Zealanders live, work and play in healthy, efficient and productive buildings in a sustainable built environment. For more information click here.