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Trade Playbook

Concrete & Forming

No provincial trade licence required

Concrete work is not a compulsory trade in Ontario — there is no licence required to start — but ACI certification, the Cement Finisher (244G) credential, and silica-dust controls separate the credible operators.

Concrete & Forming at a glance

Licence to do the work
Not required — 244G Cement Finisher is voluntary
Path in
Start as a labourer/finisher helper; voluntary apprenticeship available
Regulated by
Municipality (permits); ACI certifications are the industry currency
Insurance baseline
$2M CGL — completed-operations claims arrive years later
Union route
OPCMIA Local 598

The licensing layer, explained

Concrete and forming is non-compulsory: no provincial trade licence is required to start. Cement (Concrete) Finisher (244G) is a voluntary certificate. Reinforcing falls to rodworkers (452A). What you do need is a municipal business licence, building permits, WSIB, insurance, and silica-exposure controls under O. Reg. 490/09.

Insurance to expect

Concrete defects (settlement, cracking) drive completed-operations claims years later. Carry $2M CGL and keep completed-operations coverage active.

Keep reading

Ready to build a concrete business?

AEC Stack handles incorporation, licensing, insurance, compliance, and operations, so you can focus on the work.

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