Roof Repair vs Replacement
A small, isolated problem is usually a repair. Widespread wear or repeated leaks point toward replacement. Here is how to weigh it.
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- Repair when
- Damage is isolated
- Replace when
- Widespread or repeated
- Key factor
- Age and extent
Repair a roof when the damage is isolated and the roof is otherwise sound. Replace it when problems are widespread, the roof is near the end of its life, or leaks keep returning. Age and the extent of damage usually decide the answer.
Reasons to repair
- A single damaged area, such as wind-lifted shingles or a failed pipe boot.
- The roof is relatively young and in good overall condition.
- The problem is localized to flashing around a chimney or vent.
Reasons to replace
- The roof is near or past its expected service life.
- Shingles are failing across large areas.
- Leaks keep coming back in different places.
- There are multiple old layers or widespread decking damage.
Questions to ask a roofer
- How much of the roof is affected?
- How old is the roof and how much life is left?
- Is the damage from a repairable cause, such as flashing?
- What is the cost of repairing now versus replacing soon?
- Will a repair void any remaining warranty?
Get more than one opinion
For a major decision, get multiple inspections and quotes. A repair may be the right call, but a second opinion protects you from unnecessary replacement.
Sources and assumptions
This guide offers general decision factors. Only an on-site inspection can determine the condition of a specific roof.
Frequently asked questions
- Can I repair a roof that is 20 years old?
- You can repair isolated damage on an older roof, but if it is near the end of its expected life, the money may be better put toward replacement. Ask a roofer how much useful life remains.
- Will a repair be enough if my roof is leaking?
- It depends on the cause. A leak from failed flashing or a single damaged area can often be repaired. Leaks from widespread wear usually call for replacement.
- Does insurance cover roof repair or replacement?
- Coverage depends on the cause and your policy. Damage from sudden events like storms may be covered, while wear and age typically are not. Contact your insurer to understand your coverage.