Flat Roof Repair Cost Guide
RoofingTPO, EPDM, or modified bitumen flat roof repair or replacement. Fix leaks and extend roof life.
📊Showing National Average Pricing
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Spot repair or small section patching
Typical Scope:
- ✓Small flat roof (500-800 sq ft)
- ✓Patch repairs and leak fixes
- ✓Modified bitumen or EPDM patch
- ✓Basic surface cleaning
- ✓Limited warranty (2-3 years)
- ✓Minimal prep work
- ✓1-2 day repair
Complete membrane replacement on average roof
Typical Scope:
- ✓Medium flat roof (1,000-1,500 sq ft)
- ✓Full TPO or EPDM replacement
- ✓Proper slope and drainage
- ✓New flashing around penetrations
- ✓10-15 year warranty
- ✓Professional installation
- ✓3-5 day project
Large commercial-grade roof system
Typical Scope:
- ✓Large flat roof (1,500+ sq ft)
- ✓Premium TPO or PVC membrane
- ✓Insulation upgrade included
- ✓Complete drainage system
- ✓20-30 year warranty
- ✓Energy-efficient white membrane
- ✓1 week comprehensive installation
Cost by Material
| Material | Low | High | Average |
|---|---|---|---|
| Asphalt Shingles (3-Tab) | $8,000 | $12,000 | $10,000 |
| Architectural Shingles | $10,000 | $16,000 | $13,000 |
| Metal Roofing | $15,000 | $28,000 | $21,500 |
| Slate or Tile | $20,000 | $40,000 | $30,000 |
Frequently Asked Questions
How much does roof replacement cost?
Roof replacement costs vary by size, materials, and complexity. Basic repairs start at $500, partial replacements range $3,000-$8,000, while full roof replacements average $6,500. Premium materials can exceed $25,000.
How long does a roof replacement take?
Most residential roof replacements take 1-3 days for average-sized homes. Complex roofs with multiple angles or weather delays can extend to 1-2 weeks. Weather conditions significantly impact timing.
What time of year is best for roof replacement?
Late summer through early fall offers the best weather conditions. Spring is also good but busier for contractors. Avoid winter when possible, though emergency repairs can't wait.
How do I know if I need roof replacement vs repair?
Replace if: roof is 20+ years old, multiple leaks, extensive shingle damage, sagging, or repair costs exceed 25% of replacement cost. Single issues can often be repaired.
Will insurance cover my roof replacement?
Insurance covers storm damage, hail, wind damage, and sudden accidents. Normal wear and aging typically aren't covered. Document damage and contact your insurer promptly.
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