Flat Roofing
Flat roofs are the most common roof type in San Francisco, found on Victorians, Edwardians, and modern buildings alike. They require specialized knowledge for proper installation, drainage, and long-term performance.
Book OnlineFlat Roofs in San Francisco
Despite the name, flat roofs aren't truly flat. They have a slight slope to direct water toward drains and scuppers. When this drainage system works correctly, flat roofs are reliable and long-lasting. When it doesn't, problems develop quickly.
Standard Roofing Company has maintained and installed flat roofs across San Francisco for over 47 years. We understand the materials, techniques, and local conditions that determine how long your flat roof will last.
Common Flat Roof Systems
- ✓ Modified bitumen (torch-down or peel-and-stick)
- ✓ Tar and gravel (built-up roofing)
- ✓ EPDM rubber membrane
- ✓ TPO and PVC single-ply membranes
- ✓ Roof coatings and restoration systems
Common Issues
Ponding water, membrane deterioration, flashing failures, and blocked drains are the most common flat roof problems we see in San Francisco. Regular maintenance prevents most of these.
Questions About Your Flat Roof?
Request a free estimate and we'll assess your flat roof's condition, drainage, and remaining lifespan.