Ribbed sheet metal JI 56-225-900

steelself-supporting

Product overview
The JI 56-225-900 is a structural steel deck designed for flat roofs, intended for industrial and commercial roofing systems. Its profiled section provides efficient load transfer and fast installation while enabling long unsupported spans. Available in multiple lengths and surface finishes; an optional interior coil coating improves performance for indoor applications.

Dimensions
Length: Min. 1500.0 mm / Max. 13500.0 mm
Maximum width: 900.0 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

Coatings (options)

• Interieurcoating 912 (15 µ) — basic interior coil coating for indoor building applications
• Galva

Reference standards
Galvanized steel: EN 10346:2015 — tolerances according to EN 10143:2006
Coil coating: EN 10169:2022
Geometry tolerances: EN 508-1:2021
Design calculations: EN 1993-1-3:2006

Technical specifications

• Model name: JI 56-225-900
• Product type: Structural steel deck for flat roofs (highdeck)
• Length range: 1500.0 mm — 13500.0 mm
• Maximum width: 900.0 mm
• Available thicknesses & weights: 0.75 mm (7.98 kg/m²), 0.88 mm (9.36 kg/m²), 1.00 mm (10.64 kg/m²)
• Material grade: Steel S320 GD
• Optional interior coating: Interieurcoating 912 (15 µ) for indoor use
• Alternate finish: Galva
• Applicable standards: EN 10346:2015, EN 10143:2006, EN 10169:2022, EN 508-1:2021, EN 1993-1-3:2006
• Typical applications: Industrial and commercial flat roof structural decking