Perforated metal sheet JI 56-225-900

ribbedgalvanized steelfor roof

Product overview
The JI 56-225-900 is a structural steel deck designed for flat roofs, providing a load-bearing substrate for waterproofing and roofing systems. Its profiled lightweight steel construction supports fast installation while delivering high static performance. Available in multiple lengths and surface finishes; optional interior-side coating improves indoor performance.

Dimensions
Length: Min. 1500 mm / Max. 13500 mm
Width: Max. 900 mm

Thickness & weight
0.75 mm: 7.98 kg/m²
0.88 mm: 9.36 kg/m²
1.00 mm: 10.64 kg/m²

Characteristics

• Material: Steel S320 GD
• Product type: Structural steel deck (Highdecks)

Coatings (available options)

• Interieurcoating 912 (15 µ): basic coating for indoor building applications only
• Galva: galvanized finish

Reference standards
Galvanized steel: EN 10346:2015 - tolerances: EN 10143:2006
Coil coating: EN 10169:2022
Tolerance (geometry): EN 508-1:2021
Calculations: EN 1993-1-3:2006

Notes
Designed for use as a structural decking substrate on flat roofs. Multiple lengths and finishes available; optional interior-side coating to enhance performance in indoor applications.

Technical specifications

• Product name / model: JI 56-225-900
• Material grade: Steel S320 GD
• Length range: Min. 1500 mm — Max. 13500 mm
• Maximum width: 900 mm
• Thickness variants and mass per unit area: 0.75 mm = 7.98 kg/m²; 0.88 mm = 9.36 kg/m²; 1.00 mm = 10.64 kg/m²
• Available coatings: Interieurcoating 912 (15 µ); Galva
• Applicable standards: EN 10346:2015; EN 10143:2006; EN 10169:2022; EN 508-1:2021; EN 1993-1-3:2006
• Typical applications: flat roof structural decking for commercial and industrial buildings