Stone-coated metal tiles are roofing materials that combine the durability and strength of metal with the aesthetic appeal of natural stone. These tiles are typically made by coating a steel base with a layer of stone granules, which gives them the look of traditional roofing materials like clay or slate. The stone granules are bonded to the metal surface using a durable adhesive, and the tiles are typically coated with a layer of protective finish to enhance their resistance to weathering.
1. Durability: The metal core provides structural strength, while the stone granules offer protection from UV rays, hail, and extreme weather conditions.
2. Lightweight: Compared to traditional stone or clay roofing materials, stone-coated metal tiles are much lighter, reducing the strain on building structures.
3. Aesthetic Variety: These tiles come in various shapes, colors, and finishes to mimic natural roofing materials like wood, slate, or clay, offering versatility in design.
4. Energy Efficiency: Stone-coated metal tiles can help reflect heat, improving energy efficiency by keeping buildings cooler in hot climates.
Why Use Aluzinc Steel as the Base Metal for Stone-Coated Tiles?
Aluzinc steel, also known as Galvalume steel, is a type of steel coated with an alloy of aluminum (55%), zinc (43.4%), and silicon (1.6%). This material is commonly used as the base metal for stone-coated metal tiles due to its excellent properties:
1. Corrosion Resistance: Aluzinc steel offers superior corrosion resistance compared to traditional galvanized steel (which is coated only with zinc). The aluminum in the alloy forms a protective barrier that makes the material more resistant to rust and degradation, which is critical for roofing materials exposed to harsh weather.
2. Longevity: The combination of aluminum and zinc provides a long-lasting material that withstands the elements for many years without significant degradation, making it ideal for roofing systems.
3. Enhanced Coating Adhesion: The Aluzinc coating provides a rougher surface compared to plain steel or galvanized steel, which helps improve the adhesion of the stone granules to the metal surface. This ensures that the stones stay securely in place over time, even in high winds or extreme conditions.
4. Heat Reflectivity: Aluzinc steel has reflective properties that help reduce heat absorption, improving the energy efficiency of buildings and keeping the interior cooler. This is especially beneficial in hot climates where heat regulation is a priority.
5. Lightweight yet Strong: Aluzinc steel maintains a good balance of strength and light weight, making it easier to transport and install compared to heavier materials like clay or concrete tiles.
In summary, using Aluzinc steel as the base metal for stone-coated metal tiles enhances the durability, performance, and longevity of the roofing system, making it a preferred choice for many manufacturers and homeowners.
Roofing and Cladding:
- Residential Buildings: Aluzinc steel coils are extensively used in roofing and cladding for residential homes due to their long-lasting protection against the elements and attractive finish.
- Commercial Buildings: In commercial settings, they provide robust and aesthetically pleasing solutions for exterior walls and roofs, contributing to both durability and architectural design.
Architectural Panels:
- Facades: The material is used in creating modern facades for buildings, offering a sleek, metallic look that enhances the visual appeal of structures.
- Interior Design: Aluzinc steel is also used for interior panels in industrial and commercial spaces, providing a durable and stylish finish.
Structural Components:
- Framing: Aluzinc steel is used in the structural framework of buildings due to its high strength and resistance to rust and corrosion, ensuring longevity and structural integrity.
Category |
Details |
---|---|
Thickness Range | 0.14 mm - 2.00 mm |
Width Range | 600 mm - 1500 mm |
Coil Weight | Up to 25 tons |
Coil Inner Diameter | 508 mm / 610 mm |
Coating Composition | 55% Aluminum, 43.4% Zinc, 1.6% Silicon |
Coating Weight | AZ50 - AZ200 (50 g/m² - 200 g/m²) |
Surface Finish | Regular Spangle, Mini Spangle, Zero Spangle |
Surface Treatment | Chromated, Non-Chromated, Oiled, Dry, Anti-fingerprint |
Mechanical Properties | |
- Yield Strength | 300 - 550 MPa |
- Tensile Strength | 300 - 600 MPa |
- Elongation | 10% - 30% (depending on grade) |
Spangle | Regular, Minimised, Zero |
Coil Length | Custom lengths based on customer requirements |
Standard Compliance | ASTM A792, JIS G3321, EN 10346 |
Applications | Roofing, Siding, HVAC, Appliances, Automotive, Agricultural Equipment, Industrial Components |
(1) Inner core with paper sleeve ID 508MM.
(2) The coil should be wrapped with waterproof paper. Then after fully wrapped with high density PE film. Then after fully covered with iron sheet with metal edge protectors, strapped with metal bands, min 4 bands horizontal, min 3bands vertical.
(3) Using buyer’s brand Labels: 3 Labels, one for steel sleeve, the others for outer shell.
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