0.09mm Galvanized Roofing Sheet
Specifications Thickness: 0.09mm (a common designation; actual tolerance may be ±0.01mm). This is one of the thinnest specifications in this category of products. Width: Common effective coverage widths include 750mm, 900mm, 1000mm, etc. (referring to the width covered after...
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Product Introduction
Specifications
- Thickness: 0.09mm (a common designation; actual tolerance may be ±0.01mm). This is one of the thinnest specifications in this category of products.
- Width: Common effective coverage widths include 750mm, 900mm, 1000mm, etc. (referring to the width covered after installation).
- Length: Can be customized according to requirements, typically ranging from 1 meter to 6 meters for convenient transportation and installation.
- Color: The original finish is spangled silver-white. It can also be color-coated upon request (referred to as "color-coated corrugated sheet"), with common colors including gray-white, sea blue, brick red, etc., offering better aesthetics.
Advantages
- Low cost: Minimal raw material usage, making it one of the most economical metal sheets available.
- Extremely lightweight: Easy to transport, install, and places low demands on supporting structures.
- Easy to process: Can be easily cut with scissors or specialized tools and drilled with a handheld electric drill for installation.
- Rust-resistant: The galvanized layer provides basic anti-corrosion protection.
- Quick installation: Typically fixed directly to framing (such as square tubes, angle steel, or wooden strips) using self-tapping screws.
Disadvantages and Considerations
- Very low strength: Not impact-resistant, cannot bear weight, and must never be stepped on.
- Limited durability: In harsh outdoor environments (e.g., coastal areas with high salt content or industrial zones with high pollution), the galvanized layer degrades relatively quickly, with a service life of potentially only a few years. Unsuitable for permanent use as the main roofing or exterior walls of buildings.
- Prone to deformation: Care is required during installation and handling, as edges and surfaces are susceptible to curling, dents, or depressions.
- Poor sound and thermal insulation: As a single-layer metal sheet, it offers almost no thermal or sound insulation properties.
Detailed Comparison Table
| Comparison Aspect | 0.09mm Galvanized Corrugated Sheet | 0.3mm Galvanized Corrugated Sheet |
|---|---|---|
| 1. Physical Strength | Very low. Easily bent or dented. Cannot withstand any significant force or foot traffic. | High. Rigid and sturdy with strong resistance to bending and compression. Can cautiously support worker foot traffic (when stepping on peaks over supports). |
| 2. Service Life | Short (3-5 years). Thin zinc coating degrades quickly outdoors (especially on rain-exposed surfaces), leading to rust and perforation. | Long (10-20+ years). Thicker base metal is typically paired with a heavier zinc coating (e.g., Z275), offering excellent corrosion resistance. |
| 3. Application Scope | Temporary, lightweight, non-structural: - Temporary fencing/hoarding - Simple internal partitions - Low-cost packaging cases - Exhibition/event backdrop boards |
Permanent, structural, protective: - Factory/warehouse roofs & walls - Agricultural sheds & livestock shelters - Canopies & carports - Permanent fences & gates |
| 4. Cost & Weight | Extremely low cost and weight. Material cost is a fraction of 0.3mm. Very easy for one person to handle and install. | Moderate cost and weight. A standard, cost-effective choice for permanent structures. Requires 2+ people for handling larger sheets. |
| 5. Processing & Installation | Very easy. Can be cut with heavy-duty shears. Easy to drill and shape. Fast installation but requires care to avoid damage. | Requires professional tools. Needs electric nibblers, metal cutting saws, or specialized shears for cutting. More demanding to install due to weight and rigidity. |
| 6. Thermal & Acoustic Insulation | Very poor. Single, thin metal layer provides negligible insulation. | Poor. Still a single metal layer, but greater mass offers slightly better performance than 0.09mm. For real insulation, composite panels (sandwich panels) are needed. |
| 7. Key Purchase Considerations | Verify actual thickness, zinc coating type (likely minimal), and accept its temporary nature. | Verify minimum thickness (e.g., 0.30mm base metal), zinc coating mass (e.g., Z275), and protective coating type (plain galvanized, painted, etc.). |
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