Downey
Superior Roofing
Downey Superior Roofing is the most-trusted all-weather roof contractor with over 200 post-project reviews.
Your Reliable Roofing Partner
Downey Superior Roofing is the top choice for residential and commercial roofing in Downey and southern Los Angeles County, trusted by over 9,700 homeowners and 600 businesses. We handle over 200 projects each year, offering everything from roof flashing installation and leak detection to emergency flat roof repairs, waterproofing, solar panel roof installation, and slate or tile maintenance. All using premium, warrantied materials.
We operate with a complete California State Contractor’s License issued by the Contractors State License Board (CSLB). Our work is also protected by general liability insurance, worker's compensation insurance, and a $15,000 contractor's bond required by the CSLB to protect clients against incomplete or substandard work.
We put your needs first with clear communication and total transparency. Before we start, you’ll know exactly what to expect regarding project scope, pricing, timeline, warranty, and permits. Our dedication to quality work and customer care is why we continue to be the area’s most trusted all-weather roofing partner.
What Roofing Types Do We Install?
These nine roofing types vary in lifespan from 15 to over 200 years. The materials you can use for these roofing are metal, tile, wood, synthetic composites, flat membrane systems, vegetative green roofs, and energy-generating solar solutions.
Slate Roofing
Premium natural stone lasting 75–200 years at $15–$30/sq. ft., fireproof and elegant, with suppliers like Vermont Slate Company® and Buckingham® Slate.
Wood Shingle & Shakes
Cedar, redwood, or pine roofs lasting 20–40 years at $6–$9/sq. ft., offering a natural look from brands like Watkins Sawmills® and the Cedar Shake and Shingle Bureau®.
Synthetic Roofing
Composite materials mimic slate or cedar, last 40–50 years, cost $8–$12/sq. ft., and are made by DaVinci Roofscapes® and Brava Roof Tile® from recycled content.
Asphalt Shingles
The most common roofing in the U.S. with over 70% market share (NRCA), lasting 15–30 years and costing $3.50–$5.50/sq. ft.; popular brands include GAF Timberline HDZ® and Owens Corning Duration®.
Metal Roofing
Available in steel, aluminum, copper, or zinc, lasting 40–70 years with wind resistance up to 140 mph, costing $6–$12/sq. ft., and sold by brands like Drexel Metals® and ATAS International®.
Clay or Concrete Tile
Known for durability (40–100 years) and Mediterranean style, costing $8–$18/sq. ft., offered by Boral Roofing® and Eagle Roofing Products®, but weighing up to 1,000 lbs per square.
Flat Roof
Common in commercial builds, options like TPO, PVC, and EPDM last 20–30 years, cost $4–$7/sq. ft., and are supplied by Carlisle SynTec® and Firestone Building Products®.
Green Roof
Vegetative systems lasting 40+ years that cut stormwater runoff by 50–90%, costing $10–$25/sq. ft., with systems from LiveRoof® and XeroFlor®.
Solar Panel-Integrated Roof
Solar shingles or panels integrated into roofs last 25–30 years, offset up to 100% of electricity use, cost $15–$25/sq. ft., and come from Tesla Solar Roof®, CertainTeed Solstice®, and GAF Timberline Solar®.
What Roof Installation Services Do We Offer in Downey, CA?
Roof Flashing Installation
Roof flashing seals roof joints and edges around chimneys, skylights, and vents to stop leaks. Getting professional roof flashing installation keeps water out of vulnerable areas of the roof. This adds up to 20 years to the roof's lifespan. Homes with complex roofing systems benefit most from a roof flashing installation service.
Gutter Guard Installation Services
Gutter guards keep leaves and debris out of your gutters, preventing clogs and overflow. They can cut gutter cleaning needs by up to 75% and help protect your roof and foundation from water damage. This service is great for homes near trees or in areas with lots of seasonal debris.
Asphalt Shingle Roof Installation
Asphalt shingles are America’s most popular roofing choice, lasting 20–30 years and handling winds up to 130 mph. They’re affordable, durable, and come in many styles. This is ideal for homeowners who want a reliable and budget-friendly roof.
Roof Ventilation Installation
Roof ventilation keeps attic temperatures balanced and prevents moisture buildup, which can double your roof’s lifespan. Good ventilation also lowers energy costs and helps prevent mold. This is especially useful in hot climates like Southern California.
Roof Deck Waterproofing Membrane Installation
A waterproofing membrane is a protective layer under the main roofing material. It blocks rainwater from getting into your home. Roof deck waterproofing is ideal for flat roofs and properties prone to heavy rain because it reduces the chance of leaks by as much as 90%.
Roof Skylight Installation
Skylights bring up to 30% more natural light into your home and can help lower energy bills. Proper installation includes sealing to prevent leaks. Homeowners wanting brighter interiors and better airflow will benefit most.
Roof Gutter Guard Installation
Gutter guard installation adds extra protection by stopping debris buildup and reducing water overflow. Homeowners with gutter guards see up to 60% fewer gutter problems each year. It’s perfect for those who want less maintenance and better protection from water damage.
Slate Roof Installation
Slate roofs are beautiful, long-lasting (up to 100 years), and fire-resistant. They’re great for withstanding storms and add classic charm to any home. Slate is best for those seeking a premium, long-term roofing solution.
What Roof Repair Services Do We Offer in Downey, CA?
Residential Slate Roof Repair
We fix cracked or missing slate tiles to keep your roof strong and beautiful—important since slate roofs can last 75–100 years with the right care. Repairing slate quickly helps prevent leaks, which can cause thousands in water damage if ignored. This service is best for homeowners who want to protect their investment in a premium roof.
Roof Wind Damage Repair
Strong winds over 50 mph can lift or break shingles, leading to leaks and costly repairs. Wind damage is responsible for about 25% of homeowner insurance claims. Our repairs restore your roof’s strength and help prevent further water or mold problems—especially useful after storms
Slate Roof Valley Repair Services
Valleys, where two roof slopes meet, are responsible for up to 60% of slate roof leaks. We seal and repair these areas with durable materials to keep water flowing safely off your roof. This service is crucial for slate roof owners who want to avoid leaks in the most vulnerable spots.
Roof Skylight Repair
About 30% of skylight leaks come from bad seals or old flashing. We fix leaks, replace broken glass, and reseal skylights so you can enjoy natural light without water problems. Homeowners with signs of moisture or stains around skylights benefit most from this service.
