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Colour GI Sheet
Colour GI Sheet
Colour GI Sheet is a highly versatile, pre-finished steel product known for its vibrant aesthetics and exceptional weather resistance. This material is essentially Colour Coated Galvanised Steel (Pre-Painted Galvanised Iron, or PPGI), combining a corrosion-resistant hot-dip galvanised base with multiple layers of organic paint coating. This process provides outstanding UV stability, long-term colour retention, and excellent anti-rust performance. The material is lightweight, yet possesses good formability and is easy to install, making it a favourite in both commercial and residential projects.
The unique blend of aesthetic appeal and durability makes Colour GI Sheet invaluable across various sectors. Its primary applications include roofing and wall cladding for warehouses and factories, prefabricated building panels, garage doors, and external decorative trim in construction. It is also extensively used in the manufacturing of home appliances (white goods) and for making interior partitions, offering a clean, durable, and colourful surface solution.
Ready to select the perfect finish for your next project? Get a bespoke quote from Zhaojian Steel today! We provide expert consultation on the ideal RAL colour, coating type (e.g., Polyester, PVDF), and gauge to meet your performance and aesthetic needs.
The unique blend of aesthetic appeal and durability makes Colour GI Sheet invaluable across various sectors. Its primary applications include roofing and wall cladding for warehouses and factories, prefabricated building panels, garage doors, and external decorative trim in construction. It is also extensively used in the manufacturing of home appliances (white goods) and for making interior partitions, offering a clean, durable, and colourful surface solution.
Ready to select the perfect finish for your next project? Get a bespoke quote from Zhaojian Steel today! We provide expert consultation on the ideal RAL colour, coating type (e.g., Polyester, PVDF), and gauge to meet your performance and aesthetic needs.
Product Specifications
| Dimension Name | Value |
| Base Material | Hot-Dip Galvanised (GI) Steel |
| Nominal Thickness | Varies (e.g., 0.3 mm to 1.2 mm) |
| Sheet Width | Varies (e.g., 914 mm, 1219 mm) |
| Coating Type | Organic Paint System (e.g., PE, PVDF, SMP) |
| Coating Layers | Primer, Top Coat, and Back Coat |
| Total Paint Film Thickness (TFT) | Varies (e.g., 20 μm to 35 μm) |
| Colour Reference | Full RAL Range, BS Standard Colours |
| Gloss Level | Varies (e.g., 30% to 70%) |
| Zinc Coating Mass | Typically Z100 to Z275 g/m² |
| Formability | Excellent |
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More Details
Key Features
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Superior Aesthetics: Wide range of vibrant RAL colors with long-term retention and UV stability.
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Excellent Durability: Combines corrosion-resistant GI base with protective paint layers (PE, PVDF).
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Weather Resistance: Outstanding performance against fading, chipping, and harsh outdoor environments.
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Formable & Lightweight: Easy to bend, shape, and install, reducing construction time.
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Multi-Layer Protection: Provides both zinc barrier protection and organic coating protection.
Applications
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Building Cladding: Exterior wall panels and facades for commercial and industrial structures.
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Roofing: High-performance, aesthetically pleasing roofing sheets for all building types.
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Prefabricated Panels: Primary material for modular and pre-engineered building systems.
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Appliances: Outer casings and internal partitions for ‘white goods’ and domestic appliances.
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Architectural Trim: Gutters, downpipes, and external decorative finishing elements.
