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Strong, versatile long-length roofing or walling. The concealed fastening method enables its use on many applications from low pitched roofs to vertical or horizontal ribbed walling.

  • Fixing clips secure sheets without puncturing
  • No exposed fasteners for clean, smooth lines
  • Nominal cover width: 406mm
  • Minimum roof slope: 1°

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.


Length: +0mm, -15mm
Cover Width: +4mm, -4mm

Material Specification

Next generation ZINCALUME® aluminium/zinc/ magnesium alloy coated steel complies with AS1397:2011 G550, AM125 (550 MPa minimum yield stress, 125 g/m2 minimum coating mass).

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).
COLORBOND® Metallic steel is prepainted steel for superior aesthetic qualities displaying a metallic sheen.

COLORBOND® Ultra steel is prepainted steel for severe coastal or industrial environments (generally within about 100-200 metres of the source). 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 coating mass is AM150 (150g/m2).

SuperDura™ Stainless steel is pre-painted steel and is used for severe and coastal environments. The painting complies with AS/NZS 2728:2013 and the steel base is a stainless steel complying with AISI/ASTM Type 430; UNS No. S43000.


Finish BMT Mass
(mm) kg/m kg/m2 m2/t
ZINCALUME® 0.48 3.70 4.86 206
COLORBOND® 0.48 3.76 4.93 203

Span Table

The maximum recommended support spacings are based on testing in accordance with AS1562.1-1992, AS4040.1-1992 and AS4040.2-1992. Supports must not be less than 1mm BMT.

Roof spans consider both resistance to wind pressure and light roof traffic (traffic arising from incidental maintenance).

The figures relate only to buildings 10m or less in height and located in sheltered or exposed suburban areas or sheltered rural areas only, for further details download LYSAGHT KLIP-LOK® 406 Design and Installation Guide.

Maximum Support Spacings (mm)
Types of Span BMT (mm)
Single Span 1500
End Span 1800
Internal Span 2100
Unstiffened Eaves Overhang 200
Stiffened Eaves Overhang 600

Capacity & Load Tables

The limit state wind pressure capacity table can be viewed in the LYSAGHT KLIP-LOK 406® brochure. download LYSAGHT KLIP-LOK® 406 Design and Installation Guide.

This information is suitable for use only in areas where a tropical cyclone is unlikely to occur as defined in AS1170.2-2002. BlueScope Lysaght has extensive cyclonic data to support the use of LYSAGHT KLIP-LOK 406® in various cyclonic applications.

Please Contact Us for advice when designing for cyclonic conditions.

Roof Drainage Capacity

LYSAGHT® Roofing & Walling Installation Manual. - Chapter 2 Design Preliminaries - to view Table 2.14.1, Maximum Roof Lengths for Drainage.

NCC of Australia Compliance

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


Brochures & Catalogues

User Guides & Manuals

LYSAGHT KLIP-LOK® 406 Design & Installation Guide PDF(1.17 MB). Last updated 15 Feb 2023

LYSAGHT® Roofing & Walling Installation Manual PDF(5.65 MB). Last updated 15 Feb 2023

LYSAGHT® Condensation Control - NCC 2022 Edition PDF(4.82 MB). Last updated 7 Aug 2023


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

Colour Range


  1. Classic Cream™
  2. Dune®
  3. Ironstone®
  4. Jasper®
  5. Pale Eucalypt®
  6. Shale Grey™
  7. Surfmist®
  8. Woodland Grey®

Unpainted Steel Range

  1. ZINCALUME® steel

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.