Metal roof provides increased wind resistance when compared to other roofing materials. This is because metal roofing systems use interlocking panels. The disadvantages of metal roofs include the noise created from rain hitting the roof, and, in snowy areas, the tendency of snow to easily fall off the roof and onto pedestrians or property. Originally, metal roofs were made of corrugated galvanized steel: a wrought iron–steel sheet was coated with zinc and then roll-formed into corrugated sheets. Another approach is to blend zinc, aluminum, and silicon-coated steel. These products are sold under various trade names like "Zincalume" or "Galvalume". The surface may
JSW Ispat Steel the Arabian Sea. This port can handle barges and mini-bulk carriers up to 4000 Dead Weight Tonnage (DWT). Moreover, a jetty adjoining the complex is capable of handling cargo of up to 10 million tonnes per annum. 2. Integrated Steel Plant at Kalmeshwar, Maharashtra The integrated steel plant at Kalmeshwar uses the latest steel manufacturing technology to produce galvanised sheets and products, apart from cold rolled coils. The Kalmeshwar complex houses a total of three advanced plants – a 0.325 million tonnes Galvanized Plain/Galvanized Corrugated plant, a 0.33 million tonne Cold Rolled Coils plant and a 60,000 tonne Colour Coated