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elZinc

One of the world’s leading manufacturers of rolled zinc. The widest range of finishes for limitless creativity applied to facades & roofing.

Angle standing seam

Key points

  • Traditional cladding system based on the double lock standing seam.
  • Principally used in façade cladding, on flat or curved areas.
  • Weather-tight from 25º of pitch and above if used in roofing.
  • Attractive design layouts complement different architectural styles.
junta alzada en ángulo joint debout pour façade angle standing seam

Basic system information

1. elZinc® angle standing seam roofing tray.
2. Angle Standing seam joint (horizontal, vertical or set at an angle)
3. Flat lock transversal joint
4. Welt of angle seam
5. Expansion gap at seam base
6. Seam centres dimension, normally from 430 to 600mm
7. Stainless steel ‘fixed’ clip – anchors the tray in position
8. Stainless steel ‘sliding’ clip – allows longitudinal expansion
9. Stainless steel flat lock clip – for clipping the transversal joints

Appearance

Angle seam façades exhibit fairly pronounced directionality – the longitudinal angle seam is more visible than the flat lock cross joints and so it dominates the aesthetic.  The thin gauge zinc used can produce some degree of oil canning adding character to the façade.  If desired, this can be minimised by using 0.8mm elZinc® in narrower panel widths of 430mm.

Fixing and dimensioning

The width of the trays should be dimensioned using the information available in designing with elZinc®.

Aesthetic considerations sometimes mean narrower trays than those required to resist wind loading are chosen.

Design possibilities

The angle seam system offers the architect the opportunity to get creative with seam centres and cross joint placement to complement or enhance certain aspects of the overall design of the project.

A few of the more common designs are shown here. The horizontal designs can also be used vertically.  Long strip horizontal cladding is not recommended due to site handling difficulties

Staggered

  • Seam centres: 430, 530, 580, and 600mm
  • Panel length: Maximum of 3000mm recommended.
  • Effect:  The cross joints will create some verticality as they line up

Stepped

  • Seam centres: 430, 530, 580, and 600mm
  • Panel length: Maximum of 3000mm recommended
  • Effect:  The stepped cross joints impart a sense of movement

Varying panel widths

  • Seam centres: 263, 430, 600mm shown
  • Panel length: Maximum of 3000mm recommended
  • Effect: Very longitudinal and very distinctive.  Gives the façade a very individual feeling

Long strip vertical or near vertical

  • Not recommended for horizontal formats due to site handling issues
  • Seam centres: 430, 530, 580 and 600mm
  • Panel length: Maximum of 10000mm recommended
  • Effect: Clean and elegant

Downloads

Façade cladding systems overview: Angle standing seam