Product overviewThe JI 25-125-1000 is a ribbed steel roofing sheet designed for single-skin (dry) roofing on slopes up to 30 m in length with a minimum pitch of 7%–15%. Supplied in various coil coatings and finishes, it is adapted for architectural and functional roofing requirements and ensures controlled water drainage and structural performance.
Product typeBox profile roofing sheet (ribbed steel profile) for single-skin roofing applications
Key application notes- Designed for single-skin roofing (dry roof coverings).
- Suitable for roof slope lengths up to 30 m.
- Minimum recommended pitch: 7%–15%.
- Provides efficient water drainage and structural stability for roof coverings.
Availability & finishesAvailable in multiple coil coatings and surface finishes including Essential (25 µ), Ultra and Ultra-X (Ultra 75) to suit different exposure classes and architectural requirements.
Dimensions (as published)Length: Min. 1500 mm / Max. 10000 mm
Width: Max. 1000 mm
Thickness & weight- 0.63 mm: 6.03 kg/m²
- 0.75 mm: 7.18 kg/m²
MaterialSteel S320 GD
Reference standards- Galvanized steel: EN 10346:2015 — tolerances according to EN 10143:2006
- Coil coating: EN 10169:2022
- Geometric tolerances: EN 508-1:2021
- Structural calculations: EN 1993-1-3:2006
Technical specifications- Model: JI 25-125-1000
- Product family: Box profile roofing sheet (ribbed steel profile)
- Intended use: Single-skin roofing (dry roof coverings)
- Slope suitability: Roof slopes up to 30 m; minimum pitch 7%–15%
- Published dimensions: Length min. 1500 mm / max. 10000 mm; Width max. 1000 mm
- Material: Steel S320 GD
- Thickness & weight: 0.63 mm → 6.03 kg/m²; 0.75 mm → 7.18 kg/m²
- Finishes & coatings: Essential (25 µ), Ultra, Ultra-X (Ultra 75)
- Standards: EN 10346:2015; EN 10143:2006; EN 10169:2022; EN 508-1:2021; EN 1993-1-3:2006
Additional informationHigh-resolution renders and product visuals (different sizes, angles and 3D views), FBX 3D file and technical documentation (datasheets, coating datasheets, certificates) are available on request.