★ Quick Answer
Flat roof installation in Austin runs $6–$12 per square foot for TPO and EPDM membrane systems on residential and small commercial. A 2,500 sq ft commercial roof typically runs $18,000–$30,000.
Flat roof installation in Austin runs $6–$12 per square foot for TPO and EPDM membrane systems on residential and small commercial. A 2,500 sq ft commercial roof typically runs $18,000–$30,000.
Cost by System
- EPDM (rubber): $6–$9 per sq ft
- TPO (white membrane): $7–$11 per sq ft
- Modified bitumen (torch-down): $5–$8 per sq ft
- PVC: $9–$13 per sq ft