Nov. 07, 2024
Stone Coated Metal Roof Tiles Production Process
The production process of stone coated metal roof tiles is intricate and precise, blending modern technology with traditional craftsmanship to ensure high quality and performance. This roofing material is highly favored in the market due to its excellent protective properties and rich visual appeal. Here’s a detailed look at the production process, from raw materials to the finished product:
· Process: Upon arrival, each batch of aluminum-zinc steel coils is thoroughly inspected for model and coating content (AZ content) by skilled quality inspectors to ensure they meet all standards.
· Material Properties: The base material of stone coated roofing sheets is aluminum-zinc steel, which consists of 55% aluminum, 43.4% zinc, and 1.6% silicon. This steel undergoes a hot-dip process, providing superior corrosion resistance with a lifespan 2–6 times longer than regular galvanized steel.
· Source: We use aluminum-zinc steel from Hongji, known for its superior corrosion resistance and extended lifespan.
The aluminum-zinc steel coil is transported to the uncoiling machine and unrolled to prepare for further processing.
The steel coil is cut to predetermined dimensions using precision cutting equipment, forming the initial shape of the tile. This step ensures uniform size and smooth production flow.
Using stamping equipment, the tiles are shaped with specific designs to meet diverse aesthetic and structural requirements, such as traditional tile shapes or flat profiles.
After stamping, the tiles undergo trimming to ensure clean, even edges, readying them for the next step.
Each batch of trimmed steel sheets undergoes a thorough inspection to ensure accurate dimensions and adherence to production standards.
The tiles are pressed into shape using hydraulic press machines with specialized molds, creating various patterns and edges to ensure an elegant, consistent appearance.
After pressing, another round of inspections is conducted to verify the size and quality, ensuring they meet standards before moving to the coating and sanding process.
An anti-fingerprint coating is applied to the aluminum-zinc steel. This coating not only protects the aluminum-zinc layer but also enhances adhesion between the steel and the colored stone granules. The anti-fingerprint coating is typically colorless or light green.
A layer of specialized acrylic adhesive is evenly sprayed on the pressed steel, creating a strong base for the granule application.
While the adhesive is still wet, sintered colored stone granules are uniformly applied to the tile surface.
· Material Properties: Sintered stone granules are made from basalt particles, using high-tech coloring processes and high-temperature sintering to create durable, UV-resistant colors.
· Data: The granules are approximately 2 mm thick, providing a variety of color options (over 30 standard colors) to match diverse architectural styles.
A final layer of acrylic adhesive is sprayed on top of the granules to secure them firmly in place, enhancing durability.
First Drying: The tiles undergo an initial drying process after adhesive and granule application, allowing the adhesive to partially cure and secure the granules.
Second Drying and Curing: After the initial drying, the tiles are subjected to high-temperature baking, fully curing the adhesive. This process, conducted at around 200°C for 15–20 minutes, ensures the granules adhere securely, providing a finished product that won’t shed granules or fade over time.
The finished tiles undergo a comprehensive inspection, focusing on pattern, color consistency, adhesion, and corrosion resistance to ensure each tile meets industry standards.
After passing inspection, the tiles are carefully packaged for safe transportation. Depending on customer requirements, these tiles are stored in the warehouse, ready to be shipped to various global construction projects.
The production process for stone coated metal roof tiles involves raw material inspection, cutting and shaping, surface treatment, drying and curing, quality inspection, and packaging. Each step is carefully monitored to ensure superior product quality and performance. With their lightweight, attractive, durable, and eco-friendly properties, stone coated metal roof tiles have become a popular choice for roofing materials worldwide, used in residential, commercial, and public buildings across Europe, Asia, and Africa.
This rigorous production process and attention to detail allow stone coated metal tiles to achieve an extended lifespan of over 50 years, maintaining stable performance and appearance even in extreme weather conditions, making them a preferred solution in the construction industry.
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For top-tier, custom roofing solutions, trust Attiroof. Our commitment to quality and service is unmatched. For top-tier, custom roofing solutions, trust Attiroof. Our commitment to quality and service is unmatched. Start your order today.
