What hot-dip galvanizing costs in Canada

Galvanizing is priced by finished weight with a minimum, and zinc price drives it. Real figures, galvanizing vs paint over the life of the part, and how to quote it.

Quick answer (CAD, as of November 2026): Hot-dip galvanizing is priced by weight, the finished (post-dip) weight of the steel, as a per-pound or per-tonne rate, with a minimum or kettle charge on small jobs. The zinc price is the biggest cost driver, so quotes move with the metal market. No Canadian galvanizer publishes a rate, but the North American industry survey puts the service around $0.20 to $0.50 USD per pound of finished weight. Galvanizing often looks competitive to paint up front and wins clearly over the life of the part, because it needs no maintenance for decades.

How galvanizing is priced

Galvanizing is a batch dip: the steel is cleaned, fluxed and dipped in molten zinc, then drains and cools. It is priced by the finished weight, per pound or per tonne, or per piece for repeat items, not by surface area or a flat sheet rate. Because it is a batch, a small job pays a minimum or kettle charge regardless of weight, the same floor logic as the other finishing processes. The American Galvanizers Association and large US galvanizers are candid that there is no universal list price; North American shops price by weight and quote the job.

Zinc is the cost driver

Zinc is 35 to 50 percent of a galvanizer's operating cost, so the quote tracks the zinc market. In late 2025 North American zinc traded around US$1.60 per pound (USGS), and when it moves, galvanizing quotes move with it. That is why a shop will not hold a price for long, and why a rate from two years ago is not today's rate.

What it costs, and the honest currency note

The North American industry survey range is about $0.20 to $0.50 USD per pound of finished weight (American Galvanizers Association member data), with a mid-point near $0.35; blast cleaning, if needed, adds roughly $0.50 to $2.00 USD per pound. No Canadian galvanizer publishes a rate. Converting the US range at a recent exchange rate gives an order-of-magnitude CAD $0.27 to $0.70 per pound, but treat that as a conversion, not a Canadian quote, and get a local number.

Galvanizing vs paint and powder on cost

Up front, paint or powder coat can be cheaper, but galvanizing usually wins on the life of the part. The AGA's own comparison puts hot-dip galvanizing at about $2.16 USD per square foot against $2.94 to $6.65 for multi-coat paint systems, and a UK study of a 240-tonne building found the paint system 35 percent more expensive up front and far more over 25 years once maintenance is counted. Galvanizing is maintenance-free for decades, so for structural steel that lives outdoors it is usually the lowest cost per year of service. The finish trade-off is in powder coat vs hot-dip galvanizing.

What drives a galvanizing bill up

Weight and shape: a heavy or complex assembly costs more, and the interior surfaces of hollow sections pull extra zinc. Steel chemistry, since reactive silicon steels grow a thicker coat. And extras: venting and drainage holes the galvanizer needs (and that you should design in), straightening after the dip, and freight to and from the kettle, which is a real share of the cost for heavy structural steel. Spec to CSA G164 in Canada (or ASTM A123 for structural), and the right coating class, not the heaviest.

What to send for a quote

The steel weight and piece list, the shape and sizes, the spec (CSA G164 or ASTM A123), and where the steel is, since freight matters. Send it once and request quotes from Canadian galvanizers.

FAQ

How is galvanizing priced?

By the finished weight of the steel, per pound or per tonne, or per piece for repeat parts, with a minimum or kettle charge on small jobs. It is a batch dip, not a per-area rate.

How much per pound?

The North American industry survey puts the service around $0.20 to $0.50 USD per pound of finished weight (AGA). No Canadian shop publishes a rate; convert that as a rough guide and get a local quote.

Is there a minimum charge?

Yes. A dip runs the same for a small job or a full load, so small jobs pay a kettle or minimum charge regardless of weight.

Is galvanizing cheaper than paint?

Up front, often not; over the life of the part, usually yes. The AGA puts HDG near $2.16 USD per square foot against $2.94 and up for paint systems, and galvanizing needs no maintenance for decades.

Why does the price change?

Zinc is 35 to 50 percent of the cost, so quotes track the zinc market (around US$1.60 per pound in late 2025). A rate does not hold for long.

How do I reduce galvanizing cost?

Design in drainage and venting holes, batch similar parts to clear the minimum, specify the correct coating class rather than an excessive one, and use a galvanizer near the work to cut freight.

Last reviewed: November 2026. No Canadian galvanizer publishes a rate, so this guide teaches the weight-based mechanic and labels its figures: the per-pound range and the paint comparison are North American and UK industry data in USD and GBP, the zinc price is from the USGS, and the CAD conversion is flagged as a conversion, not a Canadian quote. Related reading: powder coat vs hot-dip galvanizing and zinc plating vs galvanizing.