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With the broad flat pans and distinctive ribs of ENSEAM®, SNAPSEAM® offers greater flexibility for longer lengths and greater spanning capacity thanks to it's clever concealed fix clips. These clips allow for enhanced thermal expansion and contraction and provide greater fixing security.

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.


Sheet length: ±7mm
Cover width: ±4mm

Material Specification

Next generation ZINCALUME® aluminium/zinc/magnesium alloy coated steel complies with AS 1397:2011 G300, AM125 (300 MPa minimum yield stress, 125g/m2 minimum coating mass).

COLORBOND® steel is pre-painted 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 for the ZENITH™ range is G300 (300 MPa). Minimum coating mass is AM100 (100g/m2).

COLORBOND® Metallic is pre-painted steel for superior aesthetic qualities displaying a metallic sheen.

COLORBOND® Ultra is pre-painted steel for severe coastal or industrial environments (generally within about 100m - 200m 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).

Galvanised zinc coated steel complies with AS 1397:2011 G300, Z450 (300 MPa minimum yield stress, 450g/m2 minimum coating mass).

Heritage galvanised zinc coated steel complies with AS 1397:2011 G300, Z600 (300 MPa minimum yield stress, 600g/m2 minimum coating mass).


Coverage (mm) Finish BMT Mass (KG/M) Mass (KG/M2)
265 ZINCALUME® steel 0.55 1.83 6.91
COLORBOND® steel 0.55 1.86 7.02
ZINCALUME® steel 0.75* 2.41 9.09
COLORBOND® steel 0.75* 2.44 9.21
465 ZINCALUME® steel 0.55 2.75 5.92
COLORBOND® steel(1) 0.55 2.8 6.02
ZINCALUME® steel 0.75* 3.61 6.88
COLORBOND® steel 0.75* 3.7 6.97

1. Based on single sided COLORBOND® steel. For other painted steel options please contact your Lysaght representative.

2. To assist minimising the effects of oil canning in LYSAGHT SNAPSEAM® cladding, it is recommended to keep panel length under 12m. Longer lengths may be available subject to minimum order quantity.

*Please check with your local branch for availability and special packaging requirements.

Span Table

Maximum Support Spacings (mm)
Type of Span
265mm cover 465mm cover
0.55mm BMT 0.75mm BMT* 0.55mm BMT 0.75mm BMT*
Single Span 600 700 Must be fixed on ply with screw fixing at 450mm c/c
End Span 900 1000
Internal Span 900 1000
Unstiffened Eaves Overhang 50 50 50 50
Single 900 1000 450 550
End Span 900 1000 450 550
Internal Span 1200 1300 450 550
Overhang 100 100 100 100

Note: Refer to the  ZENITH™ Roofing & Walling Design & Installation Manual Section 2.5 - Support Spacing and Overhang for loading parameters applicable (Region B) to MAXIMUM SUPPORT SPACINGS. For Projects outside these loading parameters designers should reference LIMIT STATE WIND CAPACITIES tables to determine appropriate support spacings.

*Please check with your local branch for availability

NCC of Australia Compliance

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


Brochures & Catalogues

LYSAGHT ZENITH™ Commercial & Industrial Brochure PDF(1.52 MB). Last updated 1 Jun 2021

LYSAGHT ZENITH™ Residential Brochure PDF(16.86 MB). Last updated 1 Jun 2021


New South Wales & ACT
Northern Territory
South Australia
Not Available

Colour Range


  1. Basalt®
  2. Classic Cream™
  3. Cottage Green®
  4. Cove®
  5. Deep Ocean®
  6. Dune®
  7. Evening Haze®
  8. Gully®
  9. Ironstone®
  10. Jasper®
  11. Mangrove®
  12. Manor Red®
  13. Monument®
  14. Night Sky®
  15. Pale Eucalypt®
  16. Paperbark®
  17. Shale Grey™
  18. Surfmist®
  19. Terrain®
  20. Wallaby®
  21. Windspray®
  22. Woodland Grey®


  1. Basalt®
  2. Dune®
  3. Monument®
  4. Shale Grey™
  5. Surfmist®


  1. Aries™
  2. Astro™
  3. Celestian™
  4. Cosmic™
  5. Galactic™
  6. Rhea™

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.