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Dimond Steelspan 900

After extensive research within the New Zealand market several years ago it was discovered that there was a need for an economic roofing and cladding profile which allowed for long spans while retaining an attractive look.  This resulted in the development of Steelspan 900, which is especially designed for large commercial buildings where wide coverage and long spans are paramount.

Key Features
  • Economic roofing and cladding
  • Long spans, wide coverage
  • Attractive option for commercial buildings
Green Tag Certified
Green Tag Certified
Scope of Use
  • Designed for large commercial buildings where wide coverage and long spans are paramount
  • Cover: 900mm 
  • Sheet Width: 970mm
  • 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
0.40mm 2.00m* 3.00m*
0.55mm 2.90m* 4.30m*

*To suit ultimate wind loads up to 1.5 kPa

Cladding Span Capacity
Thickness  End span  Internal span
0.40mm 2.40m** 3.70m**
0.55mm 3.30m** 5.00m**

**To suit ultimate wind loads up to 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
Environmental Information
Environmental Information
Specification Clause (Masterspec)
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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