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2. Lightweight Construction Compared to traditional roofing materials, such as tiles or concrete, trapezoidal sheet metal is considerably lighter. This characteristic reduces the load on a building's structure, making it easier to install without requiring extensive reinforcement. Consequently, this can lead to lower construction costs and faster project completion times.
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Chinese suppliers focused on enhancing their production capabilities and technologies to meet the rising demands both locally and abroad. They invested in advanced machinery and automated manufacturing processes that improved efficiency and reduced production costs. This strategic move allowed them to offer a diverse range of corrugated metal roofing products, including various thicknesses, finishes, and coatings, thereby appealing to a broad customer base.
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1. Hot-Dip Galvanizing This method entails cleaning the iron or steel surface and then immersing it in a bath of molten zinc at approximately 450 degrees Celsius. Once coated, the metal is removed and allowed to cool, resulting in a thick, adherent zinc layer that forms various compounds with the underlying iron. This method is known for producing robust coatings suitable for heavy-duty applications.
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