Product Liability vs Public vs Environmental Liability

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Understand the difference between product liability, public liability and environmental liability for steel manufacturers - and where the policy gaps usually sit

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We compare quotes from leading insurers

  • Allianz
  • Aviva
  • QBE
  • RSA
  • Zurich
  • NIG

Why This Comparison Matters for Steel Manufacturers

Steel manufacturing liability losses can be high severity. A single incident can involve multiple “liability lanes” at once: an injury on site (public liability), damage caused by a supplied product (products liability), and pollution or clean-up costs from smoke, runoff, oils or chemicals (environmental liability).

The challenge is that these covers are often misunderstood and sometimes assumed to be “all included” within a general public liability policy. In reality, each has different triggers, exclusions and gaps - and steel operations have specific issues such as hot works, heavy lifting, coil handling, oils/hydraulics, effluent treatment and storage of materials.

This guide explains the differences in plain English, highlights typical claim scenarios, and shows where you may need extensions or specialist environmental cover.

At a Glance: What Each Policy Is Designed to Cover

Here’s the simplest way to think about the three covers:

Public Liability


  • Injury or property damage to third parties arising from your premises/operations
  • Typical examples: visitor injury, contractor accident, dropped load damaging a vehicle
  • Often includes legal defence costs
  • Usually applies while the incident is connected to your operations (including loading/unloading if included)

Products Liability


  • Injury or property damage caused by your product after it leaves your control
  • Typical examples: a supplied steel component fails and causes property damage or injury
  • Often written together with public liability as “public & products”
  • Usually excludes the cost of repairing/replacing your own faulty product (unless specifically arranged)

Environmental Liability (Pollution Liability)


  • Pollution events, clean-up and third-party claims (wording dependent)
  • Typical examples: oil/hydraulic spill, chemical runoff, smoke contamination, soil/water clean-up
  • Standard liability policies often exclude gradual pollution and may restrict clean-up costs
  • Specialist environmental cover can address gaps, including remediation (where insurable)

Steel Manufacturing Claim Scenarios: Which Policy Responds?

These examples show how the policies typically line up. The exact outcome depends on wording, exclusions and facts.

Scenario A: Contractor injured on your premises


  • Likely cover lane: Public Liability (third-party injury)
  • If injured person is your employee/labour-only: Employers’ Liability
  • Insurers will review site controls, inductions, RAMS and supervision

Scenario B: Dropped coil damages a customer vehicle during loading


  • Likely cover lane: Public Liability (property damage)
  • Watch: “care, custody & control” restrictions and loading/unloading endorsements
  • Risk controls: lift plans, certified lifting gear, trained operators, segregation

Scenario C: Supplied steel component fails at customer site and causes damage


  • Likely cover lane: Products Liability
  • Watch: what counts as your “product”, territories, and contract requirements
  • Note: fixing your own product is usually not covered (unless arranged)

Scenario D: Oil/hydraulic leak enters drains and requires clean-up


  • Likely cover lane: may require Environmental Liability
  • Public liability may exclude pollution (especially gradual) or limit clean-up
  • Environmental cover can include remediation and third-party claims (wording dependent)

Scenario E: Fire produces smoke/contamination affecting neighbours


  • Third-party property damage: often Public Liability
  • Pollution/clean-up elements: may require Environmental Liability
  • Multiple policies can be relevant depending on loss details

Scenario F: Customer alleges your spec/advice caused financial loss


  • Likely cover lane: Professional Indemnity
  • Public/products policies usually won’t cover pure financial loss from advice
  • Important where you advise on grade selection, treatment or design input

Common Gaps: Where Steel Manufacturers Get Caught Out

The biggest surprises often come from assumptions. Here are the common “gap areas” we see:


  • Pollution exclusions: many liability policies restrict gradual pollution and clean-up costs
  • Care, custody & control: customer property on your site may have limited cover
  • Hot works restrictions: conditions/warranties can affect claim outcomes
  • Territories/jurisdiction: exporting steel can require broader terms
  • Recall/rectification: the cost to fix your own product is usually excluded
  • Contractual liabilities: penalties and indemnities may exceed policy scope

A well-built steel manufacturing programme coordinates liability covers so you understand what is protected, what isn’t, and where additional specialist cover may be needed.

FREQUENTLY ASKED QUESTIONS

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Is products liability included with public liability?

Often, yes - many policies are written as “public & products liability”. However, limits, territories and exclusions still matter, especially for exports or high-criticality products.

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Does public liability cover pollution clean-up?

Often with restrictions. Many policies exclude gradual pollution and may limit clean-up costs. Environmental liability insurance is designed to address pollution events and remediation (subject to wording).

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Does products liability pay to replace my defective steel product?

Usually not. Products liability typically covers injury or third-party property damage caused by your product, not the cost of repairing/replacing your own product. Specialist recall/rectification covers may be available in some cases.

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When do I need environmental liability insurance?

If you have oils, fuels, chemicals, effluent, storage tanks, drainage risk, or proximity to waterways/third-party property, environmental cover may be important. It can also be required by landlords or regulators depending on the site.

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How can Insure24 help reduce liability gaps?

We review your operations, contracts and risk controls, then structure the liability programme (public/products/environmental and, where relevant, PI) to reduce exclusions and ensure limits match your real-world exposure.

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