Workmanship & Defects
Does General Liability Cover Faulty Workmanship?
Generally, no — GL doesn’t pay to redo your own bad work. But it usually does pay for the resulting damage your bad work causes to other property. The line matters.
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Where the Faulty Workmanship Line Is Drawn
This is one of the most misunderstood areas of contractor insurance, and it has cost more contractors more money than almost any other coverage question. General liability is not a warranty on your work. It is a liability policy that responds to property damage and bodily injury caused by your work. Those two things look similar, but they are radically different. Learn more about general liability insurance for contractors or scroll down for the details on this question.
Standard contractor GL forms contain a series of exclusions — the well-known “Your Work” exclusion (j-6) and “Your Product” exclusion — that remove coverage for the cost of repairing or replacing the defective work itself. But there is a critical carve-back: damage to other property caused by your defective work is typically covered.
Two examples make the line obvious:
- Bad solder joint floods a kitchen. The cost to re-solder the joint = NOT covered (faulty workmanship to your own work). The cost to replace the ruined cabinets, flooring, and drywall = covered (resulting damage to other property).
- Roof leak from improper flashing. The cost to redo the flashing = NOT covered. The cost to replace the destroyed ceiling, insulation, and drywall below = covered.
- Electrical fire from a miswired panel. The cost to rewire the panel correctly = NOT covered. The cost of all the fire-damaged framing, contents, and adjoining work = covered.
A second wrinkle: the products-and-completed-operations (“products/comp ops”) aggregate is where most workmanship-triggered claims actually land, because the resulting damage usually surfaces after you’ve left the jobsite. Always make sure your policy carries a full products/comp ops aggregate equal to your general aggregate (typically $2M), and that any additional insured endorsement on your COI extends to completed operations — not just ongoing operations.
Important: faulty design errors (the architectural specs, the engineering calculations, the consultative advice) are excluded from GL entirely. Those are covered only by professional liability (errors and omissions) insurance — a separate policy that design-build contractors, engineers, and architects always need.
Simple Test
Ask: is the cost to fix my work, or is it the damage my work caused to something else? Fix-my-work = not covered. Damage-to-other-stuff = usually covered.
When Faulty Workmanship Coverage Has Actually Won at Claim Time
Three real-world scenarios where contractors successfully recovered from their GL carrier under the resulting-damage carve-back:
- Improperly installed water heater leaks 30 days later. Plumber’s GL paid $42,000 for ruined finished basement (resulting damage). Plumber paid out of pocket to re-install the water heater correctly.
- Roofing nail penetrates electrical conduit, causing an arc fault and attic fire. Roofer’s GL paid $115,000 for fire damage to attic, framing, insulation, and HVAC equipment. Roofer paid to redo the affected roof section out of pocket.
- Painter sprays the wrong color on a $40,000 mahogany interior trim package. This one did NOT recover — courts held it was pure cost-of-repair to the painter’s own work, with no resulting damage to other property. The painter paid the full $40,000.
The pattern is consistent: the more other property is involved (drywall, contents, adjacent systems, finished surfaces), the better the recovery. Pure rework of just your scope of work is almost always excluded.
Endorsements That Strengthen Faulty Workmanship Coverage
- Subsidence / earth movement carve-back — pays when settling or shifting caused by your work damages adjacent structures.
- Resulting damage clarification endorsements — tighten the policy language so disputes over “your work” vs. “resulting damage” are easier to win.
- Broad form named insured — extends coverage across affiliated entities working on the same project.
- Professional liability (E&O) — a separate policy for design errors. Required for any design-build, engineering, or consulting work.
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