IT4 Box Profile Roofing
The IT4 Box Profile Sheet provides a high-tensile solution for industrial and residential roofing applications. This pre-painted galvanized steel panel features a deep-trough design for maximum water discharge. It suits low-pitch roofs and high-rainfall areas where drainage efficiency remains a priority.
Built for the Job
Contractors specify this profile for its structural rigidity and ease of installation over standard purlin spacings. The 2.5-metre length works effectively for smaller structures, lean-tos, or specific bay sizes in larger warehouses. The charcoal grey finish offers a modern aesthetic while providing a durable barrier against UV degradation and oxidation. Site teams use these panels for both wall cladding and roof covering due to the trapezoidal rib strength.
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Industrial warehouse roofing and side-wall cladding for weatherproofing.
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Residential perimeter fencing or gate cladding for security and privacy.
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Carport and shed construction requiring high-capacity water drainage.
Product Highlights
- Corrosion Resistance
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The base metal undergoes a hot-dip galvanizing process before receiving a multi-layered color coating.
- Structural Integrity
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- Four-rib trapezoidal design increases longitudinal stiffness.
- Minimal deflection under standard wind and snow loads.
- Deep troughs prevent water ingress during heavy tropical downpours.
Technical Specifications
| Specification | Detail |
|---|---|
| Profile Type | IT4 (Industrial Trough 4) |
| Length | 2.5 Metres |
| Color | Charcoal Grey |
| Effective Width | Approx. 880mm – 900mm |
| Material | Pre-painted Galvanized Steel |
| Gauge | 30G (Standard Trade) |
What’s Included
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1 x 2.5m IT4 Box Profile Iron Sheet (Charcoal Grey)
On-Site & Workshop Notes
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Fasten the material using 65mm or 75mm self-drilling roofing screws with EPDM washers to ensure a watertight seal.
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Maintain a minimum end lap of 150mm when installing on slopes above 15 degrees to prevent backflow.
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Wear protective gloves during handling to avoid injury from factory-cut sharp edges on the panels.
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Store the units off the ground on timber dunnage to prevent moisture accumulation between stacked sheets.
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