Top 10 Flat Roofing in Philadelphia, PA
The best flat roof contractors in Philadelphia, PA for 2026 include Big Joe's Roofing (5), Pace Roofing LLC (4.9), DISCOUNTED ROOFING LLC (4.9). All install and repair TPO, EPDM, modified bitumen, and built-up flat roofing systems.
Big Joe's Roofing
Top Tier Roofing
Pace Roofing LLC
DISCOUNTED ROOFING LLC
Philadelphia Quality Roofing
Up On The Roofs
All Budget Roofing
The Roof Doctor
Loonstyn Roofing
Philly Roofing & Exterior Services
How We Ranked These Philadelphia Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Philadelphia market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does flat roofing cost in Philadelphia?
Flat roofing in Philadelphia costs $4-$10 per square foot installed. TPO: $5-$8/sq ft. EPDM: $4-$8/sq ft. Modified bitumen: $4-$7/sq ft. Built-up (BUR): $5-$9/sq ft. PVC: $6-$10/sq ft.
What is the best flat roof material?
TPO is the most popular — good balance of price, durability, and energy efficiency (white reflective surface). EPDM is proven and affordable. PVC is premium. Modified bitumen is great for DIY-friendly repairs. Choice depends on budget and climate.
How long does a flat roof last?
TPO: 20-30 years. EPDM: 25-30 years. PVC: 25-35 years. Modified bitumen: 15-20 years. Built-up: 20-30 years. Proper drainage and regular maintenance are critical — ponding water is the #1 killer of flat roofs.