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Why Powder-Coat Thickness Decides a Ceiling’s Lifespan

February 2026 · IMAC Architectural Ceiling
Why Powder-Coat Thickness Decides a Ceiling’s Lifespan

India’s humidity and temperature swings demand finishes that perform. Here is why a 55-micron coating wins.

A metal ceiling is only as durable as its finish. In India’s humidity and temperature swings, coating thickness is the single biggest factor in how a ceiling ages.

IMAC specifies a 55-micron powder coat on the exposed face — or a 25-micron polyester coil coat over primer — with a primer coat on the rear, so panels resist corrosion from both sides.

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