Flat Roofing

Expert Flat Roof Installation, Repairs, and Maintenance

Flat roofs require specialized expertise — and at R B Roofing, we deliver just that. We provide professional installation, maintenance, and repair of flat and low-slope roofing systems throughout San Rafael and the greater Bay Area.



Our team specializes in modified bitumen roofing, a durable and cost-effective option for residential and light commercial properties. Whether you’re replacing an aging roof or need targeted repairs, we’ll ensure your flat roof provides long-lasting protection against the elements.

Why Choose Modified Bitumen Flat Roofing?

Proven Durability

Modified bitumen is designed to withstand extreme weather, heavy foot traffic, and long-term exposure to the elements.

Excellent Waterproofing

This roofing system offers superior water resistance, making it ideal for preventing leaks on flat and low-slope surfaces.

 Energy Efficiency

Flat roofing can be paired with reflective coatings to improve energy efficiency and help reduce cooling costs.

Easy Maintenance

Flat roofs are relatively simple to maintain and repair, saving you time and money over the long run.

SERVICES

Our Flat Roofing Services

  • Flat Roof Installation

    We install custom-modified bitumen systems tailored to your property’s needs, ensuring a watertight, reliable finish.

  • Flat Roof Replacement

    When your current flat roof has reached the end of its lifespan, we provide full replacements that improve performance and extend your building’s protection.

  • Flat Roof Repairs

    From punctures and leaks to seam failures, we perform thorough repairs to restore your roof’s integrity and prevent further damage.

Why Work with R B Roofing?

Licensed & Insured

As a licensed California roofing contractor (License #439669), we ensure every job meets the highest safety and quality standards.

Flat Roofing Specialists

We bring years of hands-on experience installing and maintaining flat roof systems across the Bay Area.

Honest, Upfront Estimates

Our pricing is clear and competitive, with no hidden costs.

Local Expertise

 We understand the unique challenges of Bay Area weather and design roofing solutions built to last.

FAQs About Flat Roofing

  • How long does a flat roof last?

    With proper installation and maintenance, modified bitumen flat roofs can last 20–30 years or more.

  • Can flat roofs handle heavy rain?

    Yes — when properly installed and maintained, flat roofs provide excellent waterproofing and drainage solutions.

  • Do you provide maintenance services?

    Absolutely. We offer routine inspections and maintenance to keep your flat roof performing at its best.

  • Do you offer free flat roofing estimates?

    Yes. Call (415) 331-7180 to schedule your free, no-obligation quote today.

Contact R B Roofing for Flat Roofing Services

Protect your property with a durable, energy-efficient flat roof from R B Roofing.

Call us at (415) 331-7180 or email bobrbroofing@gmail.com to schedule your free roofing estimate.

We proudly serve San Rafael and surrounding Bay Area communities, delivering flat roofing solutions you can rely on.