Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Installation Across Miami
Roof installation in Miami is a different trade than it is almost anywhere else in the country. You’re not just putting shingles on a house. You’re building a wind-rated, impact-tested assembly that has to survive 150 mph gusts, salt-laden air, and the kind of afternoon downpour that drops an inch of rain in twenty minutes. A typical roof installation in Miami runs $12,000 to $28,000 depending on material, roof complexity, and whether the deck needs repair. Call us at (850) 753-2996 and we’ll walk you through exactly what your house needs.
We’ve worked on barrel tile roofs in Little Havana that were bedded in mortar before anyone used the phrase “HVHZ.” We’ve torn off shingle roofs in Kendall that were barely nailed to the original 1960s decking. Miami isn’t one roof type or one construction era, and the installer you choose has to understand that. As a Roofing Company in Miami, Mercer Roofing Co Miami, led by Grant Whitlock, has spent years learning which roofs in which neighborhoods fail in which ways. That’s the knowledge that protects your house when the next named storm sits off the coast.
Why Mercer Roofing Co Miami Is Miami’s Preferred Roof Installation Company
Most roofing companies send a salesperson to your door and a crew you’ve never met to your roof. We do it differently. Every technician who works on your home is background-checked, identity-verified, and dressed in a clean, marked uniform. Their name and photo are sent to you before they arrive. When they ring the bell, they’ll show you a photo ID badge. That’s the Threshold Verified standard, the quality framework every independent Mercer location is contractually held to. It’s the most concrete thing we can offer a homeowner who doesn’t want to open the door to a stranger.
A live person answers our phone 24/7. Not a voicemail, not a call-back form. When a storm tears a section of flashing off your roof at 2 a.m., you get a human being. When you need to confirm the technician’s name before they arrive, you get a human being. That matters in Miami, where a roof problem doesn’t wait for business hours and neither should you.
Every project starts with a written price before any work begins. No exceptions. The number we put in front of you is the number on the invoice. And every repair carries a written guarantee, included with the job. If the repair fails within 365 days, we come back and make it right at no charge. That’s our 365-Day Done Right Promise. It’s not marketing language. It’s in writing, on every job we do.
Styles & brands we work with
Roof Ventilation in Miami
Roof ventilation in Miami is not an optional upgrade. It’s a structural necessity. Your attic in August can hit 140 degrees without proper airflow. That heat cooks shingles from underneath, warps decking, and forces your air conditioner to run twice as hard to cool rooms it shouldn’t have to condition. When we install a roof in Miami, the ventilation system is designed with the same care as the waterproofing, because in this climate they’re equally important. Expect to pay $450 to $1,100 for proper ventilation upgrades during a typical roof installation, depending on the attic configuration and the type of vents your home needs.
Why Miami Attics Cook
Low-slope concrete roofs and original 1920s tile roofs often have almost no intake ventilation. The builders depended on natural convection, but Miami’s humidity and heat break that system. Without balanced intake and exhaust, moisture from daily showers condenses on the underside of the deck. Over five years, that turns plywood to sponge. When we quote a roof installation, we check the air flow before we touch the shingles. If the ventilation is wrong, the new roof starts dying the day it goes on.
The Coastal Spec Difference
Ridge vents and soffit vents in Miami should use stainless steel screens and fasteners, not the galvanized versions sold inland. Salt air eats galvanized within five to seven years. A $90 inland-spec vent becomes a rust-streaked leak source before the warranty on your shingles is halfway through. We specify stainless or marine-grade aluminum on every penetration, every time. It costs a little more up front. It costs a lot less than pulling rusted vent frames out of a two-year-old roof.
Roof Flashing Installation in Miami
Roof flashing installation in Miami is the difference between a roof that lasts twenty years and a roof that starts leaking in three. Flashing is the metal that seals the joints where your roof meets a wall, a chimney, a skylight, or a vent pipe. In Miami, standard galvanized flashing goes in the bin. Salt air corrodes it within five to seven years. We saw it on a 1920s Mediterranean Revival in Coral Gables: the original flashing had turned to chalk, the drip edge was swollen with rust, and the tiles around every penetration had begun to lift. We cut it all out and rebuilt it with hot-dipped steel and stainless fasteners. Expect flashing work to run $700 to $1,800 during a roof installation, depending on how many penetrations your roof has. Cheap flashing is the most expensive money you’ll ever save on a Miami roof.
What We Replace on Miami Homes
Every roof installation in Miami should include new drip edge, new step flashing where the roof meets walls, and new pipe boot flashings around plumbing vents. If your home has a parapet wall, common on 1950s and 1960s Miami ranch houses and mid-century flat roofs, the parapet cap flashing needs to be inspected and usually replaced. Water pours over a failed parapet cap like a gutter with no downspout. We write it into the quote so there are no surprises later.
Rust-Jacking and Tile Failure
On tile roofs, corroded fasteners and flashing do something specific: they rust-jack. Rust expands to ten times the volume of the original steel, which pries tiles off their mortar beds and snaps the nails holding them. That’s why one cracked barrel tile in Shenandoah is never just one cracked tile. The rusted hardware underneath has already compromised the section. We re-bed the entire area in polymer-modified mortar and fasten with stainless steel. That’s the coastal spec for Certainteed repair in Miami. It costs about 15% more than the inland spec. The inland spec fails within a decade.
Trusted Brands We Service in Miami
We install and repair roofs using manufacturer-recognized shingle brands including GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Miami’s heat and UV load, we often recommend Atlas and IKO products with high-reflectivity granules that hold up better under constant sun. Tamko’s impact-resistant lines perform well in HVHZ applications when installed to the manufacturer’s high-wind nailing pattern. Because we’re local to Miami, we maintain strong relationships with local suppliers and can pull materials quickly when a job needs a change mid-stream. You won’t wait two weeks for a replacement bundle because someone in another state has to ship it.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Installation Problems We See in Miami Homes
- Salt-eaten flashing and fasteners. Galvanized steel in Miami’s salt air corrodes in five to seven years. Rust-jacked tiles and lifted flashing on concrete and barrel tile roofs are the direct result. We specify stainless and hot-dipped steel on every exposed metal component.
- Thermal cracking on flat concrete roofs. Miami’s sun heats concrete roof decks to 160 degrees, then afternoon thunderstorms flash-cool them by forty degrees in minutes. That thermal cycling cracks the membrane at parapet walls and penetrations, and water finds the cracks during the same storm. The fix requires flexible reinforced membrane and proper expansion joints, not more sealant.
- Mortar-bedded tile failures in pre-war homes. Original 1920s clay barrel tiles in neighborhoods like Little Havana were bedded directly in mortar. Decades of UV and humidity break the bond. One cracked tile leads to sliding tile cascades and hidden deck rot beneath. Re-bedding the section is the only correct repair.
- Undersized or missing ventilation. Many 1950s ranch houses in Miami were built with minimal attic airflow by modern standards. The trapped heat and humidity shorten shingle life and raise cooling bills. We test airflow on every installation quote and include ventilation upgrades when the house needs them.
Pricing for Roof Installation in Miami, FL
A full architectural shingle roof installation in Miami runs $12,000 to $18,000 on a typical 1,800 to 2,200 square foot home. Concrete tile or barrel tile installations run $18,000 to $28,000 because of the material cost and the specialized labor required. Flat concrete roof replacement with reinforced membrane runs $10,000 to $16,000. The coastal-spec materials we specify, stainless fasteners, marine-grade flashing, high-temperature underlayment, typically add 12% to 18% to the material line. The inland-spec price looks cheaper at signing. In Miami, it’s a decade-long liability. We’ll give you a written, line-item quote before any work starts. Call (850) 753-2996 to schedule your free estimate.
We Also Serve Cities Near Miami
Our Roof Installation team works throughout the Miami metro area. You’ll most often find our crews in neighborhoods from Coral Gables to Shenandoah to Little Havana, but we regularly cross the county line into Miami Gardens for roof installations and repairs. If you’re just over the border in Miami Gardens, call the same number: (850) 753-2996. Same written pricing, same Threshold Verified technicians.
Serving Miami, FL - Our Local Coverage Area
We’re based in the Miami area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roof Installation in Miami
Because salt air in Miami destroys standard galvanized flashing within five to seven years. The separate line item is the honest way to show you exactly what the coastal-spec upgrade costs versus the inland version we won’t install here. It usually adds $300 to $700 to a full roof installation. Call (850) 753-2996 and we’ll explain the line items on your quote – estimates are free.
We follow the manufacturer’s high-wind nailing pattern exactly, typically six nails per shingle in the specified locations, combined with a full peel-and-stick underlayment and starter strips sealed with adhesive. Miami-Dade HVHZ is the strictest wind standard in the nation. We don’t shortcut it. Every installation is inspected and documented against the manufacturer’s HVHZ spec. Call (850) 753-2996 for an exact quote on your roof.
We replace rotted or swollen decking sections with new plywood or OSB rated for high-humidity applications, then inspect the underlying framing before we close it up. 1950s Miami ranch houses often have decking that’s been absorbing humidity for seventy years. We write decking repair allowances into the quote so you see the cost before work starts, not as a surprise change order. Call (850) 753-2996 to discuss your roof – the estimate is free.
You don’t need ice and water shield for ice. You need a high-temperature peel-and-stick underlayment for the opposite problem: wind-driven rain and the thermal expansion that cracks membranes at parapet walls. In Miami’s HVHZ, the code-required underlayment is often a peel-and-stick product rated for high heat. We specify it on every installation and in valleys where water concentrates during tropical downpours. Call (850) 753-2996 for an exact quote on your roof installation.
A coastal-spec installation uses stainless steel fasteners, hot-dipped or marine-grade flashing, high-temperature peel-and-stick underlayment, and sealed mortar joints on tile roofs. An inland-spec installation uses galvanized steel and standard underlayment. The coastal spec costs 12% to 18% more up front. In Miami’s salt air, the inland spec starts failing within five to seven years. We only install the coastal spec, and we write it into every quote so you see exactly what you’re paying for. Call (850) 753-2996 to schedule your free estimate.
Written by Grant Whitlock, Owner at Mercer Roofing Co Miami, serving Miami and the surrounding communities since 2000.
Ready for a written quote? Call (850) 753-2996 and a live person will answer. No voicemail, no form. We’ll schedule your free estimate today.