Roofing contractor

Gravity Shield Roofing

At Gravity Shield Roofing, we understand that your home or business is one of your biggest investments. With over 28 years of hands-on roofing experience across the Bay Area, our founder Arturo S. Lop...

3+ Services
4.4 Star Rating
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Trusted Professional Service
Rating 4.4 / 5 Stars
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Specialty Roofing contractor
About Gravity Shield Roofing
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About Gravity Shield Roofing

At Gravity Shield Roofing, we understand that your home or business is one of your biggest investments. With over 28 years of hands-on roofing experience across the Bay Area, our founder Arturo S. Lopez started from the ground up—literally doing roof demolition at age 17. Today, we bring that same hard-working, honest ethic to every roof repair, replacement, and installation we handle.Why do local homeowners and commercial property owners trust us? Because we don't cut corners. We follow every factory specification and city code to the letter. Whether it's a steep-slope residential roof with clay tiles or a low-slope commercial building needing a durable single-ply membrane, we treat every p...
Residential Roofing Installation & Repair
Commercial Energy-Efficient Roofing
Custom Siding Installation
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Our Services

Professional solutions tailored to your specific needs — delivered with expertise and care.

Residential Roofing Installation & Repair

Your home deserves a roof that not only looks beautiful but also stands up to the elements. Gravity Shield Roofing specializes in a full range of residential roofing services throughout Bay Area. From asphalt shingles and clay tiles to cedar wood shakes and energy-efficient roof systems, we match the right material to your home's architecture and slope.Most residential projects, like a standard house, can be completed within a week. We never rush. Every step follows factory specifications to gua...

Commercial Energy-Efficient Roofing

Commercial properties in Bay Area face unique challenges, especially with flat or low-slope roof systems. Gravity Shield Roofing offers advanced energy-efficient single-ply membrane roofing that complies with California's Title 24 requirements. This system not only reduces energy costs but also comes with one of the best factory guarantees on the market.Our process begins with a thorough inspection of your existing roof structure. We then recommend the ideal membrane thickness and reflective pro...

Custom Siding Installation

Your roof isn't the only thing protecting your property. Custom siding adds curb appeal, insulation, and weather resistance. At Gravity Shield Roofing, we install high-quality siding for homes and businesses across Bay Area. On average, a custom siding project for a typical home takes about three weeks, depending on the size and location.We always follow factory specifications for every material—whether it's fiber cement, engineered wood, vinyl, or metal siding. Our team ensures proper moisture...

Roofing contractor

Gravity Shield Roofing has been doing roof work across the Bay Area for over 28 years, starting with founder Arturo S. Lopez, who began on the job site doing roof demolition at 17. We handle repairs, full replacements, and new installations on both homes and commercial buildings. We work with asphalt shingles, clay tiles, cedar shakes, and single-ply membranes, and we match the material to your roof's slope and style. Every job follows factory specifications and local code. Our crew is bilingual...

Roofer in Bay Area

A roofer on your property should be someone who will still answer the phone after the work is done. Our crew does the hands-on work on every project, from tearing off an old roof to laying the final course of shingles or membrane. We are bilingual in English and Spanish, which helps when you need to explain what is happening on your roof. We keep job sites clean, tell you what we find as we go, and follow every manufacturer requirement so your warranty stays valid. If something needs attention,...

Residential roofing in Bay Area

A roof on your house has to handle wind, rain, and the Bay Area's sun year after year. We install and repair residential roofs in clay tile, asphalt shingle, cedar shake, and single-ply systems for low-slope sections. For a typical house we can usually finish the job within a week, and we never rush the steps that matter, like flashing and underlayment. We follow factory specifications and current local building codes so the work passes inspection. We treat your home the way we would treat our o...

Commercial roof repair in Bay Area

Leaks on a commercial building cost money every day they go unfixed, so we aim to get in quickly and work around your operations. We repair flat and low-slope roofs using durable single-ply membranes, and we find the source of the leak rather than patching the symptom. Our crew keeps the work area safe for employees and customers, and we schedule around your business hours where possible. We follow factory specifications and California code on every repair, which keeps your building's roof warra...

Energy efficient roofing in Bay Area

A reflective, well-installed roof can lower cooling costs on a building, especially in warm inland parts of the Bay Area. We offer single-ply membrane systems that meet California's Title 24 energy requirements. Before recommending a product, we inspect the existing structure and suggest a membrane thickness and reflectivity that fits your building and budget. Installation follows the manufacturer's specifications, and the membrane system carries a factory guarantee. We also offer ongoing mainte...

Roof inspection in Bay Area

Before you decide on a repair or replacement, it helps to know exactly what condition your roof is in. We inspect shingles, tile, membranes, flashing, gutters, and vents, and we look at the attic and interior for signs of water intrusion. You will get a clear explanation of what we see, with photos and notes on what needs attention now and what can wait. Inspections are a good step before buying or selling a property, after a storm, or when a roof has reached the age where problems start to show...

Emergency roof repair in Bay Area

When a storm opens a hole in your roof or a leak starts over a bed or a server room, you need someone who can get on the roof quickly and stabilize the damage. Our crew responds to urgent leaks and storm damage across the Bay Area and works to make the area watertight first. Once the immediate problem is controlled, we explain what permanent repairs are needed and give you a clear plan. We follow code and manufacturer requirements even on temporary work so that the fix holds up. Call us as soon...

Roof replacement cost in Bay Area

The cost of a new roof depends on the size of the roof, its pitch, the material you choose, and whether the old layers need to come off. We give you a written estimate after an on-site inspection, so the number reflects your actual roof and not a guess. Clay tile, cedar shake, asphalt shingle, and single-ply membrane all price differently, and we will lay out the trade-offs for each so you can compare options. Our estimates include the permits and code work required for your project. Contact us...

Reviews

4.4
★★★★★
out of 5
13 Reviews Based on verified customer feedback
★★★★★
A professional, reliable and friendly company ... they did a job on my roof and I was very pleased, they work fast and do a very good job ... I highly recommend it. Positive Responsiveness, Punctuality, Quality, Professionalism, Value Services Attic venting, Roof inspection, Roof installation, Roof repair, Skylight installation, Roof repair for storm & wind damage
D
Diego Lopez
★★★★★
Very professional, highly recommend. Helped me out with a roof repair and was great. Thank you for your work.
A
ariel castellon
★★★★★
Arturo owner of Gravity Shield Roofing Company and his crew did a fine job on our home in the hills. His company is busy so it took some time before he got to us. Waited a bit for rain to start falling before I could reply ….. we have a number of skylights that I had to have waterproofed and so far so good. Arturo stayed in touch with me so I would understand when he could get to our house. Contact is important to me as I feel will be important to you! Will report back after our rain storm.
M
Morris Nishiguchi
★★★★★
Excellent work performance; reasonable price. Completion of work in a timely manner.
J
Jose Campos
★☆☆☆☆
Terrible customer service and owner barely speaks English stay far away from this company!!!
L
LeBron Thomas
★★★★★
A little late but if you’re looking for a roofing company, look no further; Gravity Shield Roofing is it. My husband and I contacted three companies and went with Gravity Shield. Not only is the company licensed, insured, etc., as the others but also accredited by the Better Business Bureau, where the others weren’t. The owner, Arturo Lopez, gave us a reasonable price, he is very personable, experienced, reliable, and finished on time, just before the storms in January. It was a complete roof renovation, not just patching. He works with you and your needs. We will recommend him and his company to anyone. Thank you Arturo and team for all your hard work.
T
Teresa Neves

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Address 148 Carling Ct, San Jose, CA 95111, United States

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