Galvanized Steel

Zinc-coated steel — the standard casing material for ductwork, air handling units and roof fans. Ask which process: hot-dip galvanising puts on a much heavier, more durable layer than electro-galvanising, and the coating weight (Z140, Z275, Z350 g/m²) tells you far more about outdoor life than the word “galvanized” on its own. Z275 or heavier is normal for rooftop and outdoor installations; lighter grades are for indoor duct only.

  • 2,124products with this specification
  • 425verified manufacturers
  • 12equipment categories

Which equipment is available as Galvanized Steel

A specification like this cuts across categories, so the useful question is not “what is it” but “which equipment types offer it, and how much choice is there in each”.

Often specified alongside

Specification combinations that actually occur in this catalogue — counted from the products themselves, not assumed.

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