Flat Roofing
in San Diego

Protect your property with professional flat roofing services in San Diego. Whether you’re planning a new flat roof, replacing an aging one, or dealing with a leak, our experienced roofers can help you evaluate your property’s needs and recommend a solution designed for long-term performance and protection.

Our Roofing Partners

Trusted Flat Roof Company in San Diego, CA

Flat Roofing may look straightforward, but a successful roof installation depends on proper drainage, quality materials, and attention to detail. Even small issues, such as improperly sealed seams or choosing the wrong roofing system, can lead to leaks, water retention, premature wear, and costly repairs later on. That’s why experience matters when it comes to flat roofing in San Diego.

Since 1987, we have helped homeowners throughout San Diego County, including La Jolla, El Cajon, Chula Vista, La Mesa, Santee, and Lakeside, protect their homes with flat roofing systems built to withstand the region’s unique conditions. Before recommending any roofing solution, we evaluate your roof’s drainage, overall condition, sun exposure, and long-term performance needs. You’ll receive an honest assessment and a detailed estimate from our roofing team that manages every step of the project, from inspection and permitting to installation and final quality checks.

What Is Flat Roofing?

Flat Roofing is a popular roofing system in San Diego, mainly used in modern, mid-century homes and commercial buildings. Unlike traditional pitched roofs with a steep angle, flat roofs have a slope of 10 degrees or less. This subtle incline helps prevent standing water, which can contribute to leaks, membrane deterioration, mold growth, and structural damage over time.

Flat roofing is well-suited to San Diego’s climate and contemporary architectural styles. The low-profile design creates a clean, modern appearance while providing benefits such as easier maintenance, solar panel installation, and usable rooftop space. Low-slope roofs are similar in design but have a slightly greater pitch, allowing for a wider range of roofing materials and applications.

Benefits of Flat Roofing

Flat and low-slope roofing systems offer several benefits for San Diego homeowners and property owners, including;

Lower installation cost: Flat roofs require less material and less labor than pitched roofing systems, which makes both new installations and replacements more affordable.
Easy roof access: Inspections, maintenance, and repairs are easier and safer to perform on a low-slope roof.
Solar panel compatibility: San Diego gets exceptional sun year-round. Flat roofs offer flexible positioning for solar panels without the structural and aesthetic constraints of a pitched roof.
Usable rooftop space: Many San Diego homeowners use flat roof surfaces for rooftop decks, gardens, or HVAC equipment. The level surface makes this practical in a way other roofs can’t match.
Energy efficiency: Reflective membrane systems like TPO reduce heat absorption, which lowers cooling costs during San Diego’s warm summers.
Simpler drainage systems: Internal drains and scuppers on flat roofs are straightforward to maintain and less prone to the wind and debris issues that affect pitched roof gutters.
Faster installation: Flat roofing systems are quicker to install than tile or shingle roofs of the same square footage, so there’s less disruption to your property.

Types of Flat Roofing We Install in San Diego

Several materials are available for flat and low-slope roofing systems, each offering unique advantages like durability, energy efficiency, and weather resistance. At Ford Roofing, we install four major types of Flat Roofing in San Diego, including TPO, Modified Bitumen, EPDM, and BUR. The best type of material will depend on your budget, durability, and the use of the space. During initial consultation, our team will recommend the best material for your property.

san diego commercial roofing crew installing energy-efficient white tpo single-ply roofing

TPO (Thermoplastic Polyolefin)

Thermoplastic Polyolefin is a single-ply membrane material renowned for its reflective properties and UV resistance. TPO lasts for around 20 to 30 years and costs between $8 and $14 per square foot for installation, making it one of the most cost-effective long-term options available. This material is a popular choice for energy-conscious homeowners who want to cut cooling costs on a roof that gets direct sun most of the year. We heat-weld the seams during installation, which creates a stronger, more watertight bond than adhesive-based systems.

Modified Bitumen

This asphalt-based material is reinforced with fiberglass or polyester for strength and flexibility. Modified bitumen typically lasts 15 to 20 years and costs between $9 and $15 per square foot installed. It is well-suited for temperature fluctuations that are common in Southern California. We install modified bitumen on flat roofs that see regular foot traffic or need a more robust surface. It's applied in layers, either torch-applied or self-adhered, which holds up well against San Diego's UV exposure and Santa Ana wind events.

commercial flat roof featuring EPDM rubber roofing in san diego

EPDM (Ethylene Propylene Diene Monomer)

Ethylene Propylene Diene Monomer is a durable rubber membrane. It is highly weather-resistant and lasts between 20 and 25 years with proper maintenance, while installation costs range from $5 and $9 per square foot. We install EPDM on properties where budget is the primary consideration without sacrificing long-term performance. It absorbs heat rather than reflecting it, so it works best on shaded roofs or properties where cooling costs aren't a major concern.

ford roofing crew installing a built-up flat roof membrane for a san diego building

BUR (Built-Up Roofing)

Built-Up Roofing systems consist of multiple layers of bitumen and reinforcing fabrics. They provide a robust, waterproof surface that can withstand even the harshest weather conditions. We install BUR systems primarily when replacing an existing built-up roof or on commercial properties that need maximum durability underfoot. BUR lifespan ranges from 15 to 30 years depending on the number of layers installed, and costs typically run between $5 and $10 per square foot installed.

Our Flat Roofing Services in San Diego

Ford Roofing handles the full range of flat roofing work for San Diego residential and commercial properties. Whatever your roof needs, we have the experience and materials to handle it correctly.

Flat Roof Installation

We install new flat roofing systems on homes, additions, garages, and buildings across San Diego County. Every installation starts with a proper assessment and decking inspection before any membrane goes down. All work is completed to San Diego County building code and manufacturer installation specifications.

Flat Roof Replacement

When your existing flat roof has reached the end of its service life or is failing beyond repair, we manage the full replacement. We remove the old membrane, inspect the insulation and deck beneath, replace any damaged sections, and install your new roof system correctly from the surface up.

Flat Roof Repair

If you are dealing with blistering, ponding water, membrane tears, failed seams, or leaking flashings, our roofers identify exactly where the problem is coming from and fix it properly.

Drain and Scupper Maintenance

One of the most frequent reasons for a flat roof failure in San Diego is clogged or damaged drains. As part of our repair and maintenance services, we clear, inspect, and repair flat roof drainage systems.

Flat Roof Inspections

We provide free flat roof inspections with no obligation to book any work. We inspect the membrane condition, seam integrity, flashing, drainage, and any penetrations like HVAC equipment or vents, and walk you through exactly what we find.

Our Roofing Installation, Repair & Replacement Projects in San Diego

Why Choose Ford Roofing for Flat Roofing in San Diego, CA?

Ford Roofing is a family-owned roofing company that has been serving San Diego County since 1987. When you work with us, you’re working with roofers who understand the challenges San Diego roofs face from year-round UV exposure and coastal conditions to seasonal rain and Santa Ana wind events. With over four decades of hands-on experience, we know what it takes to build and maintain flat roofing systems that perform reliably in Southern California’s climate.

100%

Satisfaction Guarantee

BBB

A+ Accredited

Fully Licensed

CSLB Certified

1,000+

Homeowners Served

Proper Roof Drainage

Proper drainage is critical for the lifespan of a flat roof. We evaluate roof slope, drain placement, and scupper performance to help prevent ponding water leaks and premature membrane failure.

Right Roofing System

Every flat roof has different requirements. We recommend TPO, EPDM, modified bitumen, or BUR based on your property’s structure, sun exposure, budget, and long-term goals.

Honest Estimates

You’ll receive a written estimate outlining materials, labor, permits, and project scope before work begins. We believe in clear communication, transparent pricing, and no surprises.

Satisfaction Guaranteed

From the initial inspection to the final walkthrough, we focus on quality workmanship and customer service. We stand behind our work and are committed to your complete satisfaction.

CLIENT TESTIMONIALS

What San Diego Homeowners Say About Ford Roofing

Ford Roofing San Diego

95 Google Reviews

I’ve known this contractor for some time and have seen firsthand the level of care and attention they bring to every project. They’re honest, dependable, and go above and beyond to make sure the job is done right. It’s clear they genuinely care about their clients!

I used Ford roofing a couple months ago. Thomas was very helpful communicating back and forth. Scheduling was easy. His crew did a great job and left my property looking clean and neat. They managed to avoid damaging my palm trees and worked around them with ease. Not one complaint. Simple, easy, and affordable.

They were great! TJ and his his team made the whole process very smooth and easy. They did it for a great price too. I would highly recommend these guys for anything to do with fixing a roof!

TJ recently helped me get a new roof on a customers house before a solar installation. We were on a deadline and Ford roofing got it done right and on time!

Ford Roofing was professional from start to finish. The quality of the work and finishes is excellent, and our roof now feels solid and safe. Highly recommend them if you want it done right.

FAQs About Flat Roofing in San Diego

How Much Does Flat Roofing Cost in San Diego?

The cost of installing and replacing a flat roof in San Diego varies from $6,000 to $20,000. However, costs vary depending on the system, roof size, and current condition of the deck and insulation beneath

Which building types are ideal for flat roofing?

Flat Roofing works well on commercial warehouses, retail buildings, multi-unit properties, and modern or mid-century residential homes. It’s also a practical choice for home additions, garages, and second-story structures where a pitched roof isn’t feasible. In San Diego, flat roofs are particularly popular on properties where rooftop solar or outdoor space is a priority.

Do flat roofs need maintenance?

Yes, regular maintenance is needed, but flat roofs are easier to maintain than many homeowners expect. Keeping drains, gutters, and scuppers free of debris, checking the membrane and flashing for signs of wear, and scheduling professional inspections every few years can help prevent minor issues from becoming costly repairs.

What's the difference between a flat roof and a low-slope roof?

A flat roof has a slope of less than 2:12, meaning less than two inches of rise for every 12 inches of horizontal run. A low-slope roof sits between 2:12 and 4:12. Both use membrane-based systems rather than shingles or tile, but low-slope roofs can accommodate a wider range of materials than truly flat applications. We check your roof’s actual slope during inspection and recommend the right system based on what’s needed.

Does a flat roof work with solar panels?

Yes. In fact, flat roofs are often an excellent choice for solar panel installations in San Diego. The level surface allows panels to be positioned at the optimal angle for sun exposure, helping maximize energy production without being limited by the pitch of the roof. When installing a flat roofing system, we also consider future solar plans and can recommend materials and configurations that support long-term performance.

Request a Free Flat Roofing Estimate

A professionally installed flat roof can provide decades of protection while improving energy efficiency, drainage performance, and the overall functionality of your San Diego property. Whether you’re replacing an aging roofing system, addressing recurring leaks, or planning a new flat roof installation, we will guide you through every step of the process with honest recommendations, quality workmanship, and solutions designed for San Diego’s climate.

Top Rated Residential Roofing Services in San Diego

Ford Roofing San Diego in Jewel Street

is located at 4718 Jewell St, San Diego, CA 92109, USA

Ford Roofing San Diego in Eucalyptus Hills

11406 Eucalyptus Hills Dr, Lakeside, CA 92040, USA

We are Open

7 days a week : 7AM – 10 PM