OverviewThe JI 29-283-850 is a trapezoidal steel roofing sheet engineered for mountain homes and storage buildings. Its reinforced profile provides reliable protection against demanding climatic conditions, making it suitable for high-altitude environments. The product delivers dimensional flexibility and long-term performance for a variety of roofing applications.
DimensionsLength: Min. 1500.0 mm / Max. 13200.0 mm
Width: Max. 850.0 mm
Thickness and weight0.63 mm: 5.82 kg/m²
0.75 mm: 6.93 kg/m²
MaterialSteel S320 GD
Coating (example available)Essential (25 µ) — base coil coating for outdoor use (cladding, roofing and accessories, HVAC units).
RAL colors/tones available (examples listed):
- RAL 1002
- RAL 1013
- RAL 1015
- RAL 1018
- RAL 1019
- RAL 1021
- RAL 2001
- RAL 3000
- RAL 3003
- RAL 3009
- RAL 5002
- RAL 5008
- RAL 5010
- RAL 5011
- RAL 5014
- RAL 5015
- RAL 5017
- RAL 6003
- RAL 6005
- RAL 6009
- RAL 6011
- RAL 6020
- RAL 6021
- RAL 7006
- RAL 7012
- RAL 7015
- RAL 7016
- RAL 7021
- RAL 7022
- RAL 7032
- RAL 7035
- RAL 7037
- RAL 7042
- RAL 8004
- RAL 8011
- RAL 8012
- RAL 8014
- RAL 8019
- RAL 8024
- RAL 8025
- RAL 9001
- RAL 9002
- RAL 9005
- RAL 9006
- RAL 9007
- RAL 9010
- RAL 9016
- 1102 Rouge Tuile
- 4847 Terre d'Afrique
- 4750 Gris Nuage
Reference standardsGalvanized 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 – NF P 34-401-1:2022
Calculations: Tests according to NF P 34-503-1:2024 interpreted according to NF P 34-205-1:1997 (DTU 40.35)
Characteristics / technical specifications- Model: JI 29-283-850
- Type: Ribbed roofing sheet (trapezoidal steel)
- Material: Steel S320 GD
- Length: Min. 1500.0 mm / Max. 13200.0 mm
- Width: Max. 850.0 mm
- Thickness and mass: 0.63 mm = 5.82 kg/m²; 0.75 mm = 6.93 kg/m²
- Available coating: Essential (25 µ) (base outdoor coating)
- Wide range of RAL colours and technical finishes
- Standards and tests: NF EN 10346:2015, NF EN 10169:2022, NF EN 14782:2006, NF EN 508-1:2021, NF P 34-503-1:2024, etc.