What is a center patio in a Sunset District home?

A center patio is an open-air courtyard built into the middle of classic San Francisco row houses, typically located adjacent to the kitchen. Because these homes were constructed touching their neighbors with no side windows, the center patio brought daylight and fresh air to interior rooms. Many were later covered to create interior solariums.

How do I know if my patio cover needs replacement?

Signs of a failing patio cover include discolored or yellowed panels, visible cracks or brittleness, water leaks during rain, and reduced light transmission. If your cover is original to the home or more than 30 years old, it has likely reached the end of its effective service life and replacement will restore both appearance and function.

What is the difference between polycarbonate and glass patio covers?

Polycarbonate panels are lighter weight, more impact-resistant, and less expensive than glass while providing excellent light transmission. They diffuse sunlight to reduce glare and heat. Glass offers maximum clarity but is heavier, more fragile, and typically more costly. Sure Roofing can discuss which option best suits your priorities.

Will a new patio cover match my home's architecture?

Sure Roofing tailors each installation to fit seamlessly with your home's existing architecture and your lifestyle needs. We offer material and framing options that complement the character of Sunset District homes, from period-appropriate designs to sleek modern upgrades. We discuss options during our estimate visit.

What should I look for in a roofer for patio cover work?

Look for a contractor with experience in center patio covers specifically, as these installations require understanding of how Sunset District homes are constructed. The contractor should offer material options and be able to ensure proper weatherproofing where the cover meets your home's roof and walls. Diamond Certified contractors like Sure Roofing have verified track records of quality work.

What is the difference between a center patio and a light well?

A center patio is a usable courtyard space in the middle of the home, while a light well is a narrow air shaft intended to satisfy building codes for light and ventilation. Both features bring daylight into tightly packed San Francisco homes. Sure Roofing replaces covers on both center patios and light wells throughout the Sunset District and Marina.

Premier Commercial Flat Roofing Contractor in San Francisco

Family-owned and Diamond Certified since 1982, serving the Bay Area with exceptional quality and customer service.

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San Francisco's Commercial Flat Roof Experts Since 1982

Sure Roofing has installed and maintained commercial flat roofs throughout San Francisco for more than three decades. Our team works on large-scale roofs with sensitive equipment like "enterprise internet equipment, HVAC systems, solar panels, security and fire alarm systems, taking every precaution to keep your business running smoothly during the project. Learn more about our mission and team.

Our Commercial Flat Roof Systems

Sure Roofing installs flat roof systems built to withstand San Francisco's coastal climate of fog, wind, and rain. Our commercial services include torch-down and modified bitumen roof replacements designed for long-lasting durability, as well as silicone-based elastomeric roof upgrades that add a seamless protective layer.

Commercial flat roofs face challenges that residential roofs do not. HVAC units, exhaust vents, skylights and drainage systems create penetration points that require precise sealing. Foot traffic from maintenance crews can cause punctures over time. San Francisco's daily temperature swings between morning fog and afternoon sun stress roofing materials through constant expansion and contraction.

Sure Roofing addresses these demands with roofing systems suited for commercial use and proper sealing around every rooftop penetration.

The Sure Secure Hybrid System

The Sure Secure Hybrid (SSH) is Sure Roofing's signature flat roof system, developed by Richard Choy over decades of flat roof experience in San Francisco. This assembly combines a heat-installed modified bitumen primary roof with a proprietary fluid-applied protective system.

The Sure Secure Hybrid solves a core vulnerability in traditional flat roofing by permanently sealing and shading the modified bitumen base from sunlight. Traditional tar and gravel roofs and standard modified bitumen systems rely on petroleum asphalt for waterproofing, which loses adhesion and flexibility once UV rays break down the material. The SSH's reflective topcoat minimizes absorption of both UV and infrared rays, keeping the base roof cooler, softer and more pliable for decades. The system comes with up to a 25-year NDL warranty.

Working Around Rooftop Equipment

Sure Roofing seals and protects rooftop equipment throughout every commercial project, keeping HVAC systems, solar panels, security devices and fire alarm systems operational while work is completed. Every penetration point is addressed individually and crews coordinate around your building's schedule.

Sure Roofing's detail-oriented approach includes:

Sure Roofing seals carefully around HVAC units, security systems and fire alarm penetrations to prevent leaks at every rooftop penetration point.
Sure Roofing protects rooftop equipment from debris and damage throughout each commercial project.
Crew scheduling at Sure Roofing is coordinated with building operations to minimize disruption to your daily operations.

Penetration points around rooftop equipment are among the most common sources of commercial roof leaks. Proper flashing and sealing at these locations is critical to long-term roof performance.

Extending Your Roof's Life

Flat and low-slope roofs can often be restored without full replacement through the application of elastomeric coatings. Sure Roofing offers protective coating systems including aluminized paint, acrylic coatings and silicone coatings.

These coatings create a seamless, weather-resistant barrier that helps reduce leaks, improve reflectivity and protect against San Francisco's coastal climate. For property owners seeking long-term value, Sure Roofing's silicone-based coatings come with a 25-year NDL warranty, making them a cost-effective alternative to full roof replacement.

Sure Roofing brings more than three decades of commercial flat roof experience to every project in San Francisco.
Sure Roofing holds a Diamond Certified rating based on verified customer satisfaction surveys.
Sure Roofing's signature Sure Secure Hybrid system comes with up to a 25-year NDL warranty,
Sure Roofing's team is experienced working around enterprise internet equipment, HVAC, solar, security and fire alarm systems on commercial roofs.
Sure Roofing holds public works capabilities for government and municipal projects and is licensed, bonded, and insured.

Why Choose Sure Roofing for Commercial Projects

Serving the Bay Area, Including San Francisco, Marin County, and San Mateo County

Sure Roofing provides commercial flat roof services throughout the Bay Area for office buildings, warehouses, retail properties, and industrial facilities. We understand how local climate conditions affect system selection and apply that knowledge to every project. Schedule your free estimate today.

Frequently Asked Questions

Still have questions? Take a look at the FAQ or reach out anytime!

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The Sure Secure Hybrid (SSH) is Sure Roofing's signature flat roof system that combines a 3-4 layer, heat-installed modified bitumen base with a proprietary fluid-applied protective coating. The reflective topcoat shields the base roof from UV and infrared rays that cause traditional flat roofs to deteriorate. Sure Roofing offers up to a 25-year NDL warranty on this system.
Sure Roofing's team is experienced in working around enterprise internet equipment, HVAC systems, solar panels, security devices and fire alarm systems on commercial roofs. Crews protect equipment from debris and damage throughout the project and seal carefully around all penetration points to prevent leaks. Work is coordinated to minimize disruption to business operations.
Sure Roofing has installed and maintained commercial flat roofs throughout San Francisco for more than three decades and holds a Diamond Certified rating based on verified customer satisfaction surveys. Sure Roofing is licensed, bonded and insured, holds public works capabilities for government projects and offers its signature Sure Secure Hybrid system with up to a to a 25-year NDL warranty.