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ArcelorMittal products Granite® HFX Cool and Aluzinc® HFX have been specifically developed for standing seam. They combine:

  • Steel resistance and high ductility performances, for on-site assembly,
  • Guaranteed performance at low temperature to enable erection on site, in case of winter conditions,
  • Long life durability and corrosion resistance,
  • Wide range of coloured or metallic aspects.


This type of covering is highly suitable for the most complex and sophisticated roof shapes and can be used to cover curved, convex or concave surfaces, such as domes, cones etc. It may also be extended to façade.

The limited number of seams guarantees maximum water tightness, a particular advantage in harsh climatic conditions (mountain or continental climates with considerable exposure to wind, rain or snow).

Standing seam roofing

ArcelorMittal Europe proposes a specific range of solutions for pre-formed steel sheets, available in a wide range of colours and textures for standing seam roofing systems.

A characteristic feature of standing seam roofing is its linear rhythm. Assembled on site from steel strips, this type of roofing combines sophisticated aesthetic appeal with complex shapes and is ideal for both modern and traditional architectural styles.





“Standing seam” is a technique that involves joining adjacent steel strips with upturned edges. Folding and interlocking are carried out using traditional methods or special tools. In the cleated seam system, a cap covering the seams ensures that the steel strips are watertight. The cap gives this type of roofing its characteristic look.

Architectural quality is a priority with this type of roofing. Quite apart from its state-of-the art technical characteristics, the texture and appearance of the material convey a quality image. The regular pattern of thin lines created by the standing seams complements both traditional and contemporary architectural styles.

The advantages of standing seams are:

  • Sophisticated aesthetic appearance
  • Ideal for covering complex shapes
  • Durability and stability
  • Maximum water tightness

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