Roof Repair vs Replace Calculator
Decide whether to repair or replace your roof by comparing repair cost, roof age, expected future repairs and the price of a new roof.
Compare Your Options And Get Clear Answers
Decide whether to repair or replace your roof by comparing repair cost, roof age, expected future repairs and the price of a new roof.
Roof Repair vs Replace Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Remaining Life
Expected lifespan minus current age.
Repair Share
Repair quote Γ· replacement cost.
Compare
Cost of repairing and keeping versus net cost of replacing for your stay.
Use As A Guide
Results are estimates based on your inputs. Check real quotes, rates and professional advice before deciding.
Roof Repair or Replace Guide
Common indicators.
| Sign | Repair | Replace | Note |
|---|---|---|---|
| Localised leak | Yes | No | Fix flashing or shingles |
| Widespread curling | No | Yes | End of life |
| Age over 20 years | Maybe | Often | Asphalt shingles |
| Over 30% damaged | No | Yes | Rule of thumb |
| Storm damage | Insurance | If severe | File a claim |
| Rule of Thumb | Under 30% damage β repair | Age 20+ β replace | Get inspection |
Roof Repair vs Calculator FAQ
Answers to common questions about this calculator.
When more than about 30% is damaged, the roof is near the end of its life, or repairs keep recurring.
Asphalt shingles about 20 to 25 years, metal 40 to 70, tile 50+.
It may for storm damage but not for wear and age. Check your policy.
No. They are examples.