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A brilliant surface, narrow tolerances and customisable dimensions are Impol’s advantages when it comes to tread plates. Their mechanical properties are adapted to the customer’s requirements and comply with the EN, CE and ASTM international standards. Given the customer’s wishes, Impol’s tread plates can also be subject to further bending and cutting treatment or applied for decorative purposes.



Tread plates are manufactured from selected 1000, 3000 and 5000 series alloys. The tread plate can be soft, semi-hard and hard, the surface can also include five bar (Quintet), two bar (Duet) and diamond (Diamond) patterns. The company can either produce tread plate with standard dimensions which is usually in stock or tread plate customised to the customer’s dimensions with more stringent tolerances than the one listed in the standard in question.



Intended uses

transport industry
machinery industry
construction, manufacturing of staircases, swimming pool lining or shaft covers
manufacturing of consumer products

Technological manufacturing process

Tread plates are manufactured from rolling slabs subject to hot rolling to the prescribed thickness. Cooling thereof is followed by cold rolling and treading, followed by thermal treatment and cutting to the final dimensions. All these operations combined provide for the desired final tread plate dimensions and quality.

with international standards

  • EN 573-3 Aluminium and aluminium alloys – Chemical composition and form of wrought products
  • EN 1386 Aluminium and aluminium alloys – Sheets with embossed patterns – Specifications
  • EN 15088 Aluminium and aluminium alloys – Structural products for construction work