Standard 2.5m Charcoal Grey Roofing Sheet, 30G Corrugated PPGI

2.5m Corrugated Roofing Sheet

The Charcoal Grey Roofing Sheet provides a high-tensile cladding solution for residential and commercial structures. This 2.5-metre panel uses a pre-painted galvanized iron base to resist atmospheric corrosion and UV degradation. Contractors select this specific profile for its balance of structural rigidity and ease of handling during installation on timber or steel purlins.

Built for the Job

This material is engineered for steep and low-pitch roof applications where water runoff efficiency is critical. The corrugated profile creates natural channels that manage heavy rainfall, making it a standard choice for coastal or high-precipitation regions. Site supervisors often specify this charcoal finish to maintain a professional aesthetic while reducing heat absorption compared to darker black finishes. The 30-gauge thickness ensures the panel remains walkable during maintenance while providing sufficient resistance against hail and debris impact.

• Residential housing projects requiring long-term weatherproofing.

• Industrial warehouses, site offices, and storage units.

• Agricultural sheds, poultry houses, and perimeter security fencing.

Product Highlights

Corrosion Resistance

The PPGI substrate features a multi-layer coating system including a zinc layer, a conversion coating, and a polyester topcoat.

Structural Integrity

• Maintains dimensional stability under extreme temperature fluctuations.
• High strength-to-weight ratio reduces the overall load on the roof truss system.
• Precision-rolled corrugations ensure consistent overlapping for moisture protection.

Technical Specifications

What’s Included

• 1 x 2.5 Metre Corrugated Roofing Sheet (Charcoal Grey)

On-Site & Workshop Notes

• Use 1.5 corrugation side laps to ensure maximum water tightness in high-wind zones.

• Fasten at the crown of the corrugation using 65mm roofing nails or self-tapping screws with EPDM-bonded washers.

• Avoid using abrasive cutting discs as the heat destroys the protective zinc coating; use cold-cut metal shears instead.

• Store these panels off the ground on a slight incline to prevent moisture entrapment between stacked sheets which causes white rust.

• Ensure purlin spacing does not exceed 900mm centers to prevent sagging under heavy maintenance loads.