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NBS Source


Medium profile steel cladding sheet for roofs and walls.

  • Suitable for fixing to steel or timber spacer bars or purlins. Purlin centres for 0.7 mm sheet in typical multispan applications (maximum): 1.8 m. Wider centres may be possible in certain circumstances - consult manufacturer.
  • Choice of steel gauge and finish.
  • Roof cladding. Pitch (minimum): 4º. In-plane rooflights require 6º pitch (minimum).
  • Allows rapid completion of the weatherproof envelope.
  • Profile features 24 mm deep ribs.
  • Suitable for site cutting using reciprocating or circular saw.
  • Co-ordinating elements available: secondary steelwork, liner sheets, insulation, site assembly profiled rooflights, flashings, guttering, doors, louvre panels, sealants.


  • General: Possible through valleys or crowns. Valley fixing recommended. Stainless steel or carbon steel self drilling screws with press on or integral caps and 16 mm EPDM washers.
  • To steel: Should pass through the section, leaving minimum 5 mm exposed thread.
  • To wood: Must achieve 40 mm (minimum) embedment.


  • Varies with exposure, material and colour. Consult manufacturer.
  • Typical interval to first repainting (minimum): 20–30 years.


  • Spread of flame: Class 1 to BS 476-7. Euroclass B. Class O as described in Approved Document B. FAA/ SAA to BS 476-3.
  • Suitable for walls more than 1 m from a boundary.

General information


Carbon steel


Pr_25_71_51_33 Galvanized carbon steel profiled sheetsPrimary


H31/10 Metal

H31/120 Metal

Specification data - Galvanized carbon steel profiled sheets

Product Reference

AS24/ 1000 Cladding


AS24/ 1000R

Narrow ribs project on coated face. Typically for roof panels.

AS24/ 1000R Curved eaves

Roof panels.

AS24/ 1000W

Narrow ribs recessed on coated face. Typically for wall panels.

AS24/ 1000W Vented

Narrow ribs recessed on coated face. Punched for ventilation. 0.5 mm sheets only. For wall panels.


0.5 mm

Weight 4.57 kg/m².

0.6 mm

Agri-Steel only.

0.7 mm

Weight 6.49 kg/m².





Polyester paint with superior substrate coating. Smooth texture. Agricultural.

Corus HPS200 Ultra

Organic coated steel. 'Scintilla' embossed texture. Durable.

Corus Colourcoat Verso

Organic coated steel. 'C' embossed texture. Durable.

Dobel 200XT

Plastisol coated steel. Leathergrain texture. Durable.

Dobel Nova

Acrylic polymer coated steel. Smooth texture.

Plastisol, 200µ

Leathergrain texture. Durable.

Polyester paint

Smooth texture. Economic.


Fluorocarbon coated steel. Smooth texture. Colour stable.


As drawing ___

As schedule ___

Standard product features

Cover width:

1 m.

Product Options


  • Corus HPS200 Ultra: 200 µ organic finish on aluminium/ zinc alloy coating.
  • Corus Colourcoat Verso: 200 µ organic finish on aluminium/ zinc alloy coating.
  • PVDF: 27 µ stoved fluorocarbon finish. Excellent colourfastness.
  • Dobel 200XT: 200 µ PVC exterior finish. Leathergrain embossed. Heat cured epoxy interior finish.
  • Dobel Nova: 50 µ acrylic polymer finish. High wear resistance, excellent colourfastness, good flexibility. Wholly recyclable.
  • Plastisol: 200µ PVC finish.


  • Availability of colours varies with weathersheet. Select from samples, not from printed charts. Some colours approximate to BS shades. Consult manufacturer.
  • High volume colours at lower cost: Goosewing grey, Juniper green, Merlin grey, Olive green, Slate blue.
  • Other standard colours: Bamboo, Black, Buttermilk, Cornflower blue, Forest green, Jade, Ivory, Wedgewood Blue, Mushroom, New grey, New red, Ocean blue, Pacific blue, Pigeon grey, Poppy red, Moorland Green, Terracotta, Vandyke brown, White, Willow.
  • Other colours may be available to special order. Consult manufacturer.

Digital objects

Platform Compatible Version Certified to




Revit 2015


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