Nu-Rib 762

Description

The Nu-Rib profile, manufactured by Global Roofing Solutions, is a versatile and durable roofing and cladding solution. Its trapezoidal rib design provides excellent strength and load-span capabilities, making it a preferred choice for both residential and commercial projects. Nu-Rib is particularly popular for side cladding due to its aesthetic appeal and functional benefits.

Key Features of Nu-Rib Roof Sheeting

• Profile Design: Five trapezoidal ribs at 190.5mm centers, providing a net cover of 762mm. Each pan incorporates one stiffener rib to prevent oil canning.
• Rib Height: 28.6mm, ensuring structural stability and resistance to weathering.
• Embossing Option: Available for thicknesses of 0.5mm and above, providing a textured finish that reduces glare and enhances appearance.
• Material Options: Available in various materials, including galvanized steel, Zincalume, COLORBOND, and high-yield materials like ISQ 550 and G550.

Applications

• Side Cladding: Ideal for warehouses, factories, and agricultural buildings.
• Roofing: Suitable for residential, commercial, and industrial roofing projects.

Technical Specifications

• Roof Pitch: Minimum pitch of 7.5° for rafter lengths up to 30m; 10° for lengths exceeding 30m.
• Cranking: Can be cranked from a minimum radius of 450mm.
• Curving: Can be curved to any radius greater than 800mm, subject to transportation limits.
• Sheet Length: Available in lengths up to 12.5m (standard) or 18.6m (with special transport arrangements).

Installation and Handling

• Assembly: Sheets must be laid in strict accordance with the manufacturer’s specifications.
• Site Handling: Sheets should be stored under well-ventilated cover, clear of the ground, and protected from damage during construction.
• Cleaning: Ensure the roof remains clean and free of swarf and debris during and after installation.

Quality Assurance

• ISO Certification: Manufactured under ISO 9001:2015 Quality Management System standards.
• Fasteners: Compatible fasteners must be selected to match the life expectancy of the roofing material, as per SANS 1273 standards.

Additional Notes

• Flashings: Use purpose-made flashings and polyclosures for sealing and finishing.
• Expansion Joints: Recommended for spans exceeding 24m (crest fixing) or 15m (valley/pan fixing).

Specifications Summary

• Profile: Five trapezoidal ribs at 190.5mm centers.
• Net Cover: 762mm.
• Rib Height: 28.6mm.
• Material Thickness: 0.5mm, 0.58mm, and 0.8mm.
• Roof Pitch: 7.5° (up to 30m) or 10° (over 30m).
• Cranking Radius: Minimum 450mm.
• Curving Radius: Minimum 800mm.