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Trade Playbook

Drywall & Plastering

No provincial trade licence required

Drywall is one of the most accessible construction businesses in Ontario — non-compulsory, low equipment cost — with the 451A (installer) and 453A (finisher) certificates voluntary but useful for commercial work.

Drywall & Plastering at a glance

Licence to do the work
Not required — 451A / 453A are voluntary
Path in
On a crew within weeks; apprenticeship 2–3 years if you formalize it
Regulated by
Municipality (business licence); UL/ULC assemblies for fire-rated work
Insurance baseline
$2M CGL
Union route
CDCO (Carpenters' drywall locals)

Where are you right now?

Learn it. Earn it. Own it. Pick the door that matches where you are.

Getting inBecome a drywallerHow people actually enter this trade: sponsors, registration, hours, and school.Open Getting certifiedFinish your ticketAlready an apprentice? The Last Mile guide: closing out hours, booking the exam, exam day.Open Going out on your ownStart a drywall businessThe step-by-step from qualified tradesperson to incorporated, insured, bid-ready owner.Open Just lookingCommon questionsLicences, costs, timelines: the questions everyone asks, answered straight.Open

The licensing layer, explained

Drywall, Acoustic & Lathing Applicator (451A) and Drywall Finisher & Plasterer (453A) are voluntary trades. No provincial licence is required to start. You need a municipal business licence, WSIB, insurance, and silica/dust controls. Fire-rated assemblies require correct UL/ULC assembly compliance.

Certifications in this trade

Insurance to expect

Lower-risk than structural trades, but dust/silica and working in occupied buildings still apply. $2M CGL is the typical minimum.

Go to the source

The official pages that govern this trade. Bookmark these, they are the final word on requirements and fees.

Keep reading

451A Drywall, Acoustic & Lathing453A Drywall Finisher & PlastererIncorporationCRA RegistrationWSIB & ProvincialTrade LicensingInsuranceSafety ComplianceOperational SetupBid Readiness

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

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