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ST900
Description

Where larger spans or greater robustness is required, the higher ribbed trapezoidals make their mark.

ST7 and ST900 have medium height ribs of 38mm, giving a bolder look for residential applications and enhanced strength for commercial and industrial work.

Key Features
  • Offers a bolder line and greater strength than low rib profiles.
  • Popular commercial product due to its looks and performance.
  • Minimum pitch 3°
  • Available in a wide selection of materials.
  • Translucent sheeting available to match.
Environmental Choice (ECNZ) Licensed
ECNZ Licensed
NZ Made
NZ Made
NZ-Owned Business
NZ-Owned Business
Limitations on Use
  • Minimum pitch 3°
3° Minimum Roof Pitch Required
NZS 3604 Corrosion Zone B suitable
Corrosion Exposure Zone B
NZS 3604 Corrosion Zone C suitable
Corrosion Exposure Zone C
NZS 3604 Corrosion Zone D suitable
Corrosion Exposure Zone D
NZS 3604 Wind Zone Extra High suitable
Extra High Wind Zone
NZS 3604 Wind Zone Specific Design suitable
Specific Design Wind Zone
Statement of Building Code Compliance
  • Clause E2 External Moisture: ST900 will comply with the performance requirements of E2 when installed in accordance with E2/AS1. Alternatively, when designed in compliance with the NZ Metal Roof and Wall Cladding Code of Practice, or Steel & Tube Roofing Solutions Product Guide, ST900 will comply with Clause E2 where SLS wind loads do not exceed 3.0 kPa. 
  • Clause B1 Structure: In .40mm or .55mm steel, G550 grade (high strength) ST900 will meet the requirements of B1 for the following loads and spans. Figures are given for rib fastening with self drilling screws and proprietary load spreading washer to each rib. Pan fixing of wall cladding will also attain the same loads. For other materials or grades of material, or applications outside the attached graph, specific design is required.
  • Clause B2 Durability: With normal maintenance, the requirements of Acceptable Solution B2/AS1 will be met by nominated materials in the following environments as defined in New Zealand Steel Specifiers and Builders Guide June 2010.  
B2 Durability compliant
Durability
C Protection from Fire compliant
Protection from Fire
E2 External Moisture compliant
External Moisture
Documents
BIM Files LInk
BIM-spec Full Library
CAD/PDF LInk
PTS / Data Sheet
Colorsteel Resources
Environmental Choice NZ Award
Test Results
Maintenance Instructions
Warranty
Colorsteel Material Selection
Brochure: Product Showcase
Brochure: Roofing Solutions Product Guide
Colour Range
Order Samples
Product resources and links

Steel & Tube are a New Zealand supplier of a range of steel products and services.

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