Commercial Flat Roofing Systems

Flat roof installation and repair for TPO, modified bitumen, built-up roofing, and coating systems
INTRODUCTION

San Antonio's Commercial Flat Roofing Specialists

Flat roofs leave no margin for installation error. Water follows gravity, and on a flat or low-slope roof it finds every weakness in the system: a seam that wasn't properly heat-welded, a flashing detail that's a quarter-inch short, a drain that wasn't set at the true low point. The roofing material itself is rarely the reason a flat roof fails. Installation quality is what determines whether the system holds up.

USA Home & Commercial has installed and repaired flat roof systems across San Antonio for 20+ years, working on TPO, EPDM, modified bitumen, and built-up roofing. Every project starts with substrate assessment, drainage analysis, and system selection based on the building's actual conditions rather than a default system applied to every job.

Flat roofing systems in Texas face constant heat, UV exposure, ponding water, and severe weather. We evaluate the membrane, insulation, penetrations, flashing, and drainage before recommending repair, restoration, or replacement. The right system and installation details help control water movement, reduce recurring failures, and support the roof’s expected service life.

SERVICE DETAILS

What Our Commercial Flat Roofing Service Includes

What's Included

  • TPO, EPDM, modified bitumen, and built-up roof system installation
  • Full tear-off and deck inspection before installation
  • Tapered insulation for positive drainage where needed
  • Heat-welded or fully-adhered seam systems
  • Proper flashing at all penetrations, drains, and parapet walls
  • Manufacturer warranty registration
  • Final inspection and documentation
  • Why It Matters

  • Flat roofs have no margin for installation error, water follows gravity and finds every weakness
  • Over 20 years of flat roof experience across San Antonio's heat, UV, and storm exposure
  • We prioritize matching materials to the building's system
  • Proper drainage design prevents the standing water that destroys flat roofs
  • Documentation for warranty filing and property records
  • WHY CHOOSE US

    Credentials That Back the Work

    20+ years, 200+ five-star reviews, and residential and commercial credentials from leading manufacturers and industry programs.

    5,000+
    Projects Completed
    200+
    Five-Star Reviews
    20+
    Years in Business
    GAF
    Master Elite Certified
    SERVICE AREAS

    Serving San Antonio, Austin & Central Texas

    From the Hill Country to the Gulf Coast corridor, residential and commercial roofing across Central Texas

    RELATED SERVICES

    Other Commercial Services