@everesteel
PPGI and PPGL are both pre-painted steel products, but they use different base metals. PPGI stands for Pre-Painted Galvanized Iron, using a zinc-coated steel substrate that provides good corrosion resistance and cost-effective performance. PPGL, or Pre-Painted Galvalume Steel, uses an aluminum-zinc alloy coating, offering enhanced corrosion resistance, heat resistance, and durability in demanding environments. PPGI is commonly used for roofing, wall panels, doors, appliances, and general construction applications. PPGL is often preferred for exterior roofing, cladding, industrial buildings, and environments requiring improved weather resistance. The right choice depends on factors such as application, climate, coating requirements, expected service life, appearance, and overall project budget.