Corrugated 762

Description

The GRS Corrugated 762 profile, manufactured by Global Roofing Solutions, is a versatile, cost-effective roofing and cladding solution. Its classic corrugated design provides excellent coverage per unit mass, making it ideal for a wide range of applications. Available in various materials, including steel, aluminium, and polycarbonate, it is perfect for both residential and commercial projects.

Key Features of GRS Corrugated 762 Roof Sheeting

• Profile Design: 10.5 corrugations at 76mm centers, providing a net cover of 762mm.
• Rib Height: 17.5mm, 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 galvanized steel, Zincalume, COLORBOND, Aluminium Polycarbonate and high-yield materials like ISQ 550 and G550.

Applications

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

Technical Specifications

• Roof Pitch: Minimum pitch of 7.5° for rafter lengths up to 15m; 10° for lengths exceeding 15m.
• Bullnosing and Curving: Can be cranked and 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 with side laps on the leeward side of the prevailing wind direction, with a minimum end lap of 230mm for roofs and 100mm for walls.
• 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: 10.5 corrugations at 76mm centers.
• Net Cover: 762mm.
• Rib Height: 17.5mm.
• Material Thickness: 0.5mm, 0.58mm, 0.8mm.
• Roof Pitch: 7.5° (up to 15m) or 10° (over 15m).
• Bullnosing and Curving: Minimum radius of 800mm.