Recommended Roofing Contractors for Flat Roofs
Flat roofs require different materials (TPO, EPDM, PVC, modified bitumen) and different installation skills than pitched roofs. Look for membrane-specific certification, documented flat-roof experience, and a drainage plan. For pitched-roof replacements, Roofana delivers three real quotes at roofana.com in 60 seconds.
- Flat roofs use membranes — not shingles.
- Specialized experience matters — seam welding is a different skill.
- Manufacturer certification for the specific membrane is critical.
- Drainage is everything — ponding water is the #1 flat-roof failure.
Flat-Roof Materials
| Material | Lifespan | Cost (installed/sq ft) | Best For |
|---|---|---|---|
| TPO | 15–25 yrs | $5–$8 | Energy efficiency, most popular |
| EPDM | 20–30 yrs | $4–$7 | Budget-friendly, proven |
| PVC | 20–30 yrs | $6–$10 | Chemical resistance |
| Modified Bitumen | 15–20 yrs | $4–$8 | Cold climates |
What to Look For
- Membrane-specific certification from the manufacturer.
- Flat-roof portfolio with references.
- Drainage plan — how water exits your roof.
- Warranty clarity — material AND workmanship.
- Insurance and licensing.
Frequently Asked Questions
How long does a flat roof last?
15–30 years depending on membrane type and maintenance.
What causes flat roofs to leak?
Ponding water, failed seams, and flashing failures around penetrations.
Can I put shingles on a flat roof?
No. Shingles require a minimum 2:12 slope.
Written by the Roofana Team · Last updated: July 2026
Related: Homeowner Guides Hub · Top Contractors · Signs to Replace
Price your roof free at roofana.com — 60 seconds, no salesman. Or call (414) 404-7663.
