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28 Gauge 0.4mm Z30 Customized Prepainted Galvanized Steel Roofing Sheet

Roofing sheets are crafted from color-coated steel, shaped into various wavy profiles through precise cold rolling and bending processes. This manufacturing method ensures consistent, durable forms that adapt well to diverse structural needs. Ideal for a range of applications, they are highly suitable for industrial plants, residential buildings, warehouses, and special large-span steel structures—from factory roofs and commercial building walls to exterior cladding of stadiums or exhibition halls. Whether for roofing, wall panels, or external decoration, they deliver reliable performance.

    description1

    Production description

    Product Name

    Prepainted Galvanized Corrugated steel Sheet

    Thickness

    0.12 - 1.2mm or According To Customer's Demands

    Width

    700 - 1250mm or as customer's requirement

    Length

    1400 - 6000mm or as customer's requirement

    Zinc coating

    Z20 - 60 or as customer's requirement

    MOQ

    5 tons

    Standard

    ASTM, DIN, JIS, BS, GB/T, EN, ROCT

    Grade

    TDX51D+Z, TDX52D+Z, TDX53D+Z, TDC51D+Z, TDX51D+AZ, TDX51D+ZAM, TDC51D+AZ, TDC51D+ZAM, 

    TSGCC, CCSB, CCSC

    Boasting a host of advantages, these roofing sheets are lightweight, making transportation and installation easier, while their high strength enables them to withstand harsh weather conditions like strong winds and heavy rains. They come in a rich palette of colors, adding aesthetic appeal to any structure. Installation is quick and straightforward, saving time on construction sites. With a long lifespan—often 15-20 years—and virtually maintenance-free properties, they reduce long-term costs, making them a practical choice for both functional and decorative use.


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    Our corrugated sheets undergo strict quality inspections, including coating thickness measurement to ensure uniform protection, sheet thickness verification for structural integrity, corrosion resistance testing (such as salt spray tests) to confirm long-term durability, adhesion tests to check coating bond strength, visual inspection for surface defects like scratches or deformities, dimensional accuracy checks (e.g., wave height, span, and flatness), and mechanical property assessments (including tensile strength and bending resistance) to validate performance under stress.

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    This diagram showcases a complete corrugated steel roofing and cladding system, featuring six key components that ensure structural integrity, weatherproofing, and aesthetic harmony:
    • Transparent Roofing Sheet: Introduces natural light into the building interior, reducing energy consumption for artificial lighting while maintaining waterproof capabilities.
    • Barge Board: Installed along the eave edges, it protects the roof’s perimeter from weather erosion, enhances visual neatness, and prevents water seepage at the eaves.
    • Ridge Unit: Seals the roof’s peak joint, blocking water infiltration and creating a smooth, finished appearance at the highest point.
    • Roofing Sheet: The core waterproof and load-bearing element; its corrugated shape boosts structural strength and accelerates rainwater drainage.
    • Sidewall Flashing: Bridges the roof-to-wall transition, forming a watertight seal at these vulnerable joints to prevent leaks.
    • Wall Cladding: Complements the roofing panels, providing durable vertical protection for walls while matching the roof’s color/finish for a unified look.
    This modular system, with components designed for seamless integration, delivers long-lasting performance and easy installation—ideal for industrial, commercial, and large-span structures.

    Galvanized Corrugated Sheet

    Production Application

    wave roofing Trapezoidal Roofing glazed roofing1
    01

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    Ndustrial buildings: Used in construction of factories such as machinery manufacturing, chemical industry, and electronics factories.

    Agricultural facilities: Suitable for greenhouse sheds and livestock farms.

    Commercial buildings: Used in warehouses, logistics centers, shopping malls, etc.

    Temporary structures: Used for construction site sheds and mobile houses.

    Packaging field: Packaging and transportation pallets for household appliances, glass products, ceramic products, etc.

    Other fields: advertising promotion, vehicle interior, etc.

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