Engineered perforated Corten panels combine a pre-stabilized patina finish with a ventilated rainscreen construction, offering long-term, low-maintenance façade performance.
Computational airflow modeling supports optimized perforation ratios (typically 18%–38% open area) to balance ventilation, daylight control, privacy, and glare reduction without reducing interior natural light levels.
Pre-assembled modular sections with concealed fasteners and anti-runoff drip edges help reduce installation time by 20%–35% and minimize staining on adjacent surfaces such as stone or concrete façades.
Specifications
| Item | Details |
|---|---|
| Service | Custom fabrication (OEM / ODM) – supports architectural & landscape projects |
| Material | Weathering steel (Corten A / Corten B / ASTM A588 / S355J2W / SPA-H / SPA-C) |
| Color / Finish | Natural patina (pre-weathered 60–180 days) / RAL or Dulux color finishes |
| Surface Finish Options | Powder coating / PVDF / PE / Anodized / Woodgrain / Electrophoretic |
| Manufacturing Processes | CNC punching / Laser cutting / Waterjet / Bending / TIG-MIG welding |
| Pattern Design | Fully custom (accepts DWG, DXF, 3DM, RHINO parametric scripts) |
| Thickness Range | 1.5–6.0 mm standard (custom up to 10 mm available) |
| Certifications | SGS / ISO 9001 / CE / Kynar 500® coating compliance |
| Applications | Facades, balcony screens, gates, landscape walls, interior partitions, art sculptures |
| Panel Strength | Flexural strength ~ 345–550 MPa depending on grade |
| Lead Time | Avg. 15–25 days depending on complexity & order volume |
| Standard Sheet Sizes | 1250×3000 / 1250×6000 / 1500×3000 / 1500×6000 mm |
| Common Panel Heights | 1.2–8.0 m (oversize panels include integrated stiffeners) |
| Customization | Layouts engineered according to wind load (0.5–2.5 kPa) and support system |
Design Guidance for Weathering Steel
| Consideration | Best Practice |
|---|---|
| Weld Seams | Use weathering-steel-compatible filler metal to ensure uniform patina across the surface. |
| Drainage & Water Release | Add 3–5° slope, weep holes, and open joints to prevent moisture accumulation. |
| Coastal / Marine Exposure | In salt-rich climates, specify sealed patina coatings or pair with 316 stainless in high-exposure points. |
| Runoff & Staining Control | Use drip trays, offset panel breaks, or pre-weather panels off-site to stabilize patina before installation. |
Design & Aesthetic Performance
Patina Color Control
Panels can be pre-weathered to a controlled CIELAB color target (L 25–42 / a 18–27 / b* 20–32**) to ensure consistent façade tone and limit early rust runoff.
Performance-Driven Perforations
Open area configurations range from 18%–38%, optimized through CFD simulation to control ventilation, shading, and wind loading.
Multi-layer or gradient perforation patterns can produce dynamic shadow effects over the day.
Buildability & Durability
Slotted bracket mounts support thermal expansion without distortion
Factory-formed hems and internal stiffeners prevent oil-canning on large panels
Optional anti-drip channels protect light-colored stone, tile, wood, and concrete surfaces
