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A modern cladding well suited to many types of home improvement projects such as room additions, carports and patios. The underside features clean uninterrupted lines, with an attractive gloss finish.

  • Ideal for open sided structures where a high degree of watertightness is not required
  • Perfect for creating a flat, ceiling like finish
  • Nominal cover width: 620mm
  • Minimum roof slope: 2°

Technical Specifications



Sheets are supplied custom cut to length. Minimum and maximum lengths apply. Please contact your nearest LYSAGHT® office for your region for more information.

Material Specification

COLORBOND® steel is prepainted steel for exterior roofing and walling. It is the most widely used. The painting complies with AS/NZS 2728:2013 and the steel base is an aluminium/zinc alloy-coated steel complying with AS 1397:2011. Minimum yield strengths are G550 (550MPa), or G300 (300MPa) depending on profile. Minimum coating mass is AM100 (100g/m2).


Finish Paint Thickness BMT Mass
(mm) kg/m2
COLORBOND® painted both sides 0.42 25um/25um 5.2
COLORBOND® Hi gloss one side 0.42 80um/25um 5.4

Span Table

Maximum Support Spacings (mm)
Type of Span Wind classification to AS 4055 & BCA
N1 N2 N3 N4
Spans for no foot traffic
Single Span 4500* 4500* 4500* 3800
End Span 4500* 4500* 4500* 3700
Internal Span 4500* 4500* 4500* 4400
Stiffened Eaves Overhang 600 600 450 400
Spans for light foot traffic
Single Span 2100
End Span 2600
No overhang is allowed

Capacity & Load Tables

Span tables, and Capacity and load tables can be viewed in the LYSAGHT FLATDEK® II brochure. Download LYSAGHT FLATDEK® II Design & Installation Guide

NCC of Australia Compliance

LYSAGHT® products comply with the National Construction Code of Australia (NCC).


Brochures & Catalogues

LYSAGHT® Build On Inspiration - Design in Steel PDF(17.46 MB). Last updated 26 Apr 2022


New South Wales & ACT
Not Available
Northern Territory
Not Available
South Australia
Not Available
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Colour Range


  1. Classic Cream™/ Classic Cream™ gloss
  2. Manor Red®/ Classic Cream™ gloss
  3. Paperbark®/ Paperbark® gloss
  4. Surfmist®/ Thredbo White® gloss
  5. Woodland Grey®/ Classic Cream™ gloss

COLORBOND® steel Studio Library

COLORBOND® steel Studio enables you to browse over 200 COLORBOND® steel colours. Search by RGB or HEX colour values or DULUX or RAL colour names to return the closest match from over 200 available colours.

The COLORBOND® steel colour swatches shown have been reproduced to represent actual product colours and finish as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before purchasing, as varying light conditions and limitations of the printing process may affect colour tones and finish. All colours & finishes may not be available in all regions or for all profiles. To determine the most suitable material for your project, please contact your supplier or


Pricing for all our products varies based on availability and quantity.


Phone (Mon-Fri, 9AM-5PM AEST/AEDT):

1800 641 417

100 Years Celebration

LYSAGHT® products have been made in Australia for 100 years.