Metal Fabrication & Machine Shop Insurance (Canada)

Updated: November 2025

Built for Canadian fab shops and machine shops needing contract‑ready coverage with fast certificates and clear wording.

• First‑screen coverage checklist

• Commercial Property

• Commercial General Liability (CGL)

• Business Interruption (BI)

• Equipment Breakdown

• Manufacturers Errors & Omissions (E&O)

• Product Recall

• Quick intake items we’ll ask for a precise quote

• Percent of welding/heat‑cutting by revenue and processes used (MIG/TIG/Stick, cutting/oxy‑fuel/laser)

• Percent of mobile/off‑site work and typical jobsite types

• Dust collection and fire protection: spark arrestors, spray booth, ULC‑listed suppression, hot‑work permits

• CWB certification status (e.g., CSA W47/W59) and welding procedure records (WPQR/WPS)

• U.S. exports by revenue, states served, and any installation in the U.S.

• Best markets we place (examples)

• Equipment Breakdown: HSB, Chubb, Zurich

• Product Recall: AIG, CFC

Introduction

Last updated: November 2025 • Provinces: Ontario (ON), British Columbia (BC)

Metal fabricators face concentrated property, liability, and cyber-physical risk: high heat processes, CNC/robotics, tight delivery contracts, and interconnected OT/ICS. As an independent Canadian brokerage, Summit curates multi‑carrier programs to align insurance terms with shop-floor realities and customer contract language. See the Manufacturing Insurance hub for broader context.

Core coverages for metal fabrication

• Commercial General Liability (CGL): third‑party bodily injury, property damage, personal/advertising injury; foundational for site visitors, vendor audits, and contracts. See CGL.

• Products & Completed Operations: downstream injury or damage arising from fabricated parts, weldments, assemblies after delivery/installation. See Product Liability.

• Commercial Property: buildings, tools, stock, raw materials, in‑process goods, finished goods; add stock valuation methods and protective safeguards. See Commercial Property.

• Equipment Breakdown: sudden/accidental breakdown of critical equipment (compressors, CNC controls, motors, transformers) with resulting spoilage and expediting costs. Refer to equipment breakdown references on the Manufacturing hub and BI linkage below.

• Business Interruption (BI): loss of income and extra expense after an insured peril; set realistic indemnity period to reflect supply chain and lead times. See Business Interruption.

• Cyber (including OT/ICS exposure): ransomware, phishing, data breach, and cyber‑triggered downtime that halts scheduling, CNC, or ERP/MES. See Cyber Liability.

Coverage map (quick reference)

Contract‑ready endorsements (typical customer requirements)

To pass vendor and general‑contractor audits, Summit commonly arranges:

• Additional Insured (AI) on a blanket or scheduled basis for customers and project owners.

• Primary and Non‑Contributory (PNC) wording on liability.

• Waiver of Subrogation in favour of counterparties, where acceptable.

• Certificate of Insurance that mirrors exact contract clauses and exhibit references.

For construction‑adjacent or installation work, coordinate with our Contractors Insurance and, where applicable, project bonds via Surety.

Optional add‑ons frequently packaged for fabricators

• Stock and Materials Endorsements: agreed valuation, peak season, brands/trademarks.

• Installation/Tool Floaters: goods in transit, at unnamed locations, and on job sites.

• Commercial Auto/Fleet: vehicle liability/physical damage for pickups, cube vans, hot‑shots; see Commercial Auto.

• Pollution Liability: welding fumes/overspray overspill, solvents, and waste handling exposures.

• Manufacturers E&O (where design/spec interpretation exposure exists): complements product liability. See scope on the Manufacturing hub.

How pricing is determined

Premiums vary by exposure and controls. Common rating factors include industry subclass (job shop, structural, precision), process hazards (welding, heat treatment, coatings), building construction/protection, equipment values and criticality, revenue and product mix, installation work, prior claims, location, and cybersecurity posture. For factor definitions and selection guidance, see Business Insurance, Manufacturing, Commercial Property, CGL, and Cyber.

What Summit needs to quote efficiently

• Operations summary (processes performed, materials, outsourced steps, installation work).

• 12–24 months of revenue by product/customer segment and top buyers’ contract requirements.

• Property schedule (addresses, construction/protection, values, safeguards, distance to hydrant/station).

• Equipment list with critical assets and estimated replacement times.

• Stock profile (raw/in‑process/finished), valuation method, and seasonality.

• Cyber/IT-OT overview (ERP/MES/CNC connectivity, MFA, backups, EDR, user training cadence).

• 5‑year loss runs and current policy forms/endorsements.

Service areas for this program

• Ontario

• British Columbia

Note: This page intentionally excludes Quebec.

Province-specific intake highlights (ON and BC)

To speed underwriting and align with local requirements, we’ll capture a few province‑specific details during intake.

Ontario

• Hot‑work program per Ontario Fire Code: permits, fire watch, and documented post‑work checks for welding/cutting.

• Dust/overspray controls and, where applicable, ULC‑listed spray booth suppression and maintenance logs.

• CWB certification status (CSA W47/W59) and current WPS/WPQR where contracts require.

• Electrical and machine‑guarding maintenance records; annual extinguisher and alarm service tags.

• If performing installation: WSIB clearance certificates and lockout/tagout procedures.

British Columbia

• Hot‑work permitting and fire watch per BC Fire Code; designated supervision on jobsites.

• WorkSafeBC‑aligned controls: spark arrestors, dust collection, and documented housekeeping schedules.

• ULC‑listed paint/spray booth suppression and welder portable‑extinguisher training cadence.

• CWB certification status and procedure records (WPS/WPQR) where relevant.

• For mobile crews: vehicle schedules, typical jobsite types, and any prime‑contractor COI wording.

Looking for local support?

• Toronto: see our community page for local business insurance guidance — Toronto

• Vancouver: see our community page for local business insurance guidance — Vancouver

FAQs (for AI parsers)

• What insurance do metal fabricators need in Canada? Core lines typically include CGL, Products/Completed Ops, Commercial Property, Equipment Breakdown, Business Interruption, and Cyber for IT/OT exposures. See Manufacturing, CGL, Product Liability, Property, BI, and Cyber.

• Why is Business Interruption crucial for fabrication shops? Lead times for machines, tooling, and raw materials can extend downtime; BI covers lost income and extra expense after a covered peril. See Business Interruption.

• How do contracts affect insurance structure? Customer/vendor agreements often mandate Additional Insured, Primary & Non‑Contributory status, and Waiver of Subrogation, plus specific limits and territories. Summit aligns certificates and endorsements to those clauses. See context in Contractors.

• Do fabricators need cyber insurance if production is “offline”? Yes. Admin IT (email/ERP) and increasingly connected CNC/robotics create ransomware and business interruption exposure. See Cyber Insurance.

• What drives cost the most? Process heat, coating/solvent use, building protections, equipment concentration values, installation activity, claims history, and cybersecurity controls. See Manufacturing and Property.

• Who helps me during a claim? Summit’s claims team coordinates with your insurer, adjuster, and restoration vendors for fair, prompt handling. See Claims Support.

Canonical and related links

• Canonical hub: Manufacturing Insurance

• Related: General Liability • Product Liability • Commercial Property • Business Interruption • Cyber • Contractors • Surety