San Francisco Bay Area

Flat Roofing Contractors Since 1966

Seal your roof once—protect it for decades

Reduce thermal transfer and stabilize indoor temps

Stop mold and moisture issues before they start

Slash utility bills without major renovations

Foam roofing seals your property, slashes cooling costs, and lasts for decades without hassle.

Flat roofs in San Francisco face moisture, heat, shifting foundations, and rising energy costs. Most roofs can’t keep up—ours can.

Spray foam seals every inch. No joints. No water intrusion.

High R-value cuts A/C use and slashes your energy bill.

Expands and contracts with your building—no stress fractures.

Installs right over your existing roof, fast and clean.

Lasts 20+ years with minimal upkeep.

Ready to stop leaks and start saving? 

Call us at (833) 779-1234 to speak with a roofing expert today.

Get a roof built for Bay Area performance.  Armstrong does it best.

Proudly serving the San Francisco Bay Area since 1966.

Flat roofs look beautiful — but they need smart protection. Traditional materials often fall short on insulation, durability, and weatherproofing. That’s where Armstrong’s SPF Roofing System shines.

Energy-efficient, seamless, hail-resistant, low-maintenance, and lightweight — great for both old and new homes.

Long-lasting, minimal recoating, no tear-offs, adheres to most surfaces, and installs quickly.

Lightweight (60 lbs per 100 sq ft), ideal for older structures — no extra stress on your roof.

Seamless design prevents water damage, conforms to surfaces, easy to flash and repair.

Absorbs hail and impact, resists leaks and high winds, and uses no fasteners — nothing to come loose or fail.

Ready to stop leaks and start saving? 

Call us at (833) 779-1234 to speak with a roofing expert today.

Call Us on (833) 779-1234 or Fill in Our Form

Armstrong Foam Roofs are built to last 20+ years with proper maintenance. With periodic re-coating, the lifespan can extend even further—making it one of the most cost-effective flat roof solutions available.

Yes! In most cases, we apply directly over your current roof, eliminating the need for expensive tear-offs. This reduces installation time, labor costs, and environmental waste.

Absolutely. Our roofing system delivers one of the highest R-values per inch, dramatically reducing heat gain and lowering your energy bills—especially important in the Bay Area's variable climate.

Yes. Spray foam creates a seamless, waterproof barrier that self-levels to reduce ponding and eliminate entry points for water. No seams = no leaks.

100%. Our foam is code-compliant and safe for both residential and commercial applications. Once cured, it's inert, non-toxic, and adds structural strength to your roof.

We offer a 15-year warranty on all foam roofing systems, backed by over 50 years of proven experience. Unlike contractors who may not be around to honor their warranties, Armstrong has been family-owned and operated in California since 1966—so you can count on us to stand behind our work. Our installations follow strict manufacturer specifications to ensure long-term performance and peace of mind.

Offering the Best Foam Roofing Services in the San Francisco Bay Area Since 1966

4575 San Pablo Avenue, Emeryville, CA, 94608, USA

License #245291

Questions? Let’s talk about your flat roof project.ng? 

Call us at (833) 779-1234 now to get expert advice and next steps.

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