Steel roofing JI 72-400

standing seamthermalribbed

Overview
The JI 72-400 is a structural steel plate designed for double-skin roofing systems. It ensures even load distribution and secure cladding fastening. Installed horizontally, it accommodates thermal insulation and is compatible with spacers. Available in customizable lengths and finishes to suit architectural and industrial projects.

Dimensions
Length: Min. 1000.0 mm / Max. 13600.0 mm
Width: Max. 400.0 mm

Thickness and weight

• 0.75 mm: 8.9 kg/m²
• 0.88 mm: 10.45 kg/m²
• 1.00 mm: 11.87 kg/m²

Material
Steel S320 GD

Finishes / Coatings available

• Interieurcoating 912 (15 µ) — base coating for internal construction applications only.
• Galva — available in galvanized finish.

Reference standards
Galvanized steel: NF EN 10346:2015 - tolerances according to NF EN 10143:2006 - NF P34-310:2017
Coil coating: NF EN 10169:2022 - NF P34-301:2017
Tolerance: NF EN 14782:2006 – NF EN 508-1:2021
Calculations: Tests according to NF P 34-503-1:2024 interpreted per NF P 34-205-1:1997 (DTU 40.35) for cladding application and NF DTU 43.3 P1-2:2008 and Cahier CSTB 3537_v2:2009 for roofing application

3D resources and drawings
3D files (FBX) and drawing packs (DWG, DXF, PDF) available for CAD integration and 3D visualization.

Features / technical specifications

• Product: plate for double-skin roofing
• Installation: horizontal, compatible with spacers
• Function: even load distribution, cladding fastening, thermal insulation integration
• Length: 1000.0 mm to 13600.0 mm
• Maximum width: 400.0 mm
• Available thicknesses: 0.75 / 0.88 / 1.00 mm
• Weight by thickness: 8.9 kg/m² (0.75 mm), 10.45 kg/m² (0.88 mm), 11.87 kg/m² (1.00 mm)
• Material: Steel S320 GD
• Available finishes: Interieurcoating 912 (15 µ), Galva
• Standards: NF EN 10346:2015, NF EN 10169:2022, NF EN 14782:2006, NF EN 508-1:2021 and other referenced tests/standards