
General Specification |
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Data Table |
Thickness of Base Metal (mm) | Thickness of total Coated Metal (mm) | Mass per unit areas (kg/m’) |
Galvalume / Zincalume |
0.42 | 0.47 | 4.20 |
Galvalume / Zincalume Colour Coated |
0.45 | 0.50 | 4.56 |
Colour Coated Galvanized Steel |
0.45 | 0.50 | 4.50 |



Galvalume sheets have an aluminium-zinc coating, while galvanized sheets use zinc coating only. Because of the aluminium in galvalume, it offers better corrosion resistance, especially in coastal and high-humidity areas. In short, galvalume lasts longer and looks better over time.
With proper installation, a galvalume roofing sheet can last 30 to 50 years. Its lifespan depends on the environment, coating thickness and maintenance. In most Indian weather conditions, galvalume sheets perform exceptionally well for decades.
JSE Projects provides high-grade aluminium-zinc coated roofing sheets made as per standards. We offer multiple profiles, coatings, and custom sizes with quality inspection and quick delivery across India. Our focus is on reliability, affordability, and long-term customer satisfaction.
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