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Dimondek 630

Dimondek 630 is a revolutionary concealed fixed profile that can be manufactured on site in lengths up to 100 metres.  This allows freedom of design not previously possible, such as gutter to gutter sheets in a continuous draped curve.  Plus with no breaks and no screw holes through the roof, leaks are eliminated and the roof lasts longer.

Dimondek 630’s special rib design makes it so strong that not only can it span large buildings in a single sheet, it also allows wide purlin spacings previously restricted to pierced fixed trapezoidal roofing profiles.  This makes Dimondek 630 an economical choice for a concealed fixed roofing profile for large commercial jobs.

Key Features

The introduction of Dimondek 630 to the New Zealand market by Dimond has seen a change in the design of large commercial buildings.

Among other attributes, Dimondek 630 provides the unique ability to eliminate step joints in roofs through it's onsite manufacturing unit and as a result sheet lengths have increased markedly with the current New Zealand record standing at 65.5 metre sheets of Dimondek.

Metal Roofing
Green Tag Certified
Green Tag Certified
Scope of Use
  • Cover: 630mm 
  • Sheet Width: 675mm
  • Minimum Pitch 3° (approx 1:20)
  • All roofing spans are shown as maximum spans to suit occasional foot traffic only
Limitations on Use

Not suitable for use as a platform for maintenance work.

3° Minimum Roof Pitch Required
Statement of Building Code Compliance

Test information available from Pacific Coilcoaters and BHP NZ Steel, and past history of use of long run metal roofing and cladding products in New Zealand indicate that, provided the product use and maintenance is in line with the guidelines contained in the current literature referenced, Dimond long run metal roofing & wall cladding systems can be expected to meet the performance criteria in clause B2 and E2 of the New Zealand Building Code, for a period of not less than 15 years.

In-Service History

Dimond is New Zealand's largest manufacturer of steel roofing, cladding, structural and rainwater goods.

Other Performance Attributes

Green Tag:

  • All Dimond Roofing products roll-formed using ColorCote painted steel coil is Global GreenRate GreenTag certified and is applicable for Green Star and Home Star credits

Span Capacity

Roofing Span Capacity
Thickness  End span  Internal span 
0.48mm 2.20m* 3.30m*
0.55mm 2.80m* 4.30m*

*To suit ultimate wind loads up to 2 kPa

Cladding Span Capacity
Thickness  End span  Internal span 
0.48mm 2.60m* 3.90m*
0.55mm 2.80m* 4.20m*

*To suit ultimate wind loads up to 1.2 kPa

Note: Spans shown above are for steel. When using other materials please call 0800 DIMOND for more info.

B2 Durability compliant
E2 External Moisture compliant
External Moisture
Dimond Roofing & Cladding Technical Manual
Span Tables
Product Technical Statement
Specification Clause (Masterspec)
Environmental Information
Environmental Information - Global Green Tag
Installation and Operation
Colour Range
Additional Information

Dimond Roofing are a manufacturer of steel roofing, cladding and rainwater products.

Product Enquiries

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