Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Miami
Finding the right Roofing Company in Miami means navigating stricter building codes than almost anywhere else in Florida. Mercer Roofing handles the county’s unique requirements every day, from Miami-Dade NOA product approvals to the HVHZ wind-load standards inspectors enforce at final. We work across Coconut Grove, Kendall, Westchester, and every neighborhood in between, and we send every technician’s name and photo before they ring your doorbell. Call (743) 200-8347 for a written, line-item quote before any work starts.
Why Mercer Roofing Is Miami’s Preferred Roofing Company
Homeowners across Miami tell us the same thing: they want to know who’s walking up the driveway. That’s why every Mercer technician is background-checked, identity-verified, and dispatched under the Threshold Verified standard. You get a name and a photo before the visit. At the door, they badge in with a photo ID. No exceptions, no surprises.
We’re part of the Threshold Group family, founded in 2000. Each location is independently owned and operated, but every crew is held to the same Threshold Standard: clean, marked uniforms, photo ID badges, and a written price before any work begins. Led by Grant Whitlock, our Miami team has built its reputation on the county’s inspection record, not marketing slogans.
Response time to Miami neighborhoods is quick because our dispatch and scheduling run from the brand’s Miami (South FL) office, with crews serving the city locally. When a homeowner in Brickell calls about a leak after an afternoon storm, we’re not coordinating from another county.
Roof Maintenance in Miami
Roof Maintenance in Miami is less about fixing what’s broken and more about catching what the humidity, salt air, and hurricane season are quietly doing to your roof. Year-round relative humidity above 75% attacks underlayment and decking from the underside, even when the shingles or tile look fine from the street. A maintenance visit means a full inspection of flashing at penetrations, valley seals, ridge caps, and drain scuppers on flat sections, plus a written report of what’s holding up and what’s on borrowed time. Most Miami maintenance visits run $150 – $350 depending on roof size and access.
Tile Roof Maintenance
Concrete barrel and flat tile systems dominate Miami’s 1950s-to-1980s CBS housing stock. We check for cracked or slipped tiles, failed mortar at hips and ridges, and rusted fasteners. A single cracked tile left alone in Miami rain can channel water into the decking for months before it shows on the ceiling.
Flat Roof Maintenance
Flat roofs on Miami mid-century homes and additions collect standing water after the kind of short, heavy downpours the city gets every summer. We inspect scupper drains, ponding areas, and membrane seams. Caught early, seam repairs cost a few hundred dollars. Ignored, the decking rots and the repair becomes a replacement.
Roof Coating in Miami
Roof Coating in Miami is a smart retrofit for flat and low-slope roofs that need UV and water protection without a full tear-off. Miami’s sun is brutal: reflectivity matters. A white elastomeric or silicone coating can drop attic temperatures meaningfully and add years to an aging but sound membrane. Typical coating jobs on Miami flat roofs run $2,200 – $5,500, with the range driven by square footage, membrane condition, and how much crack repair and seam reinforcement is needed first. A coating is not a fix for a failing roof; if the decking is soft or the membrane is split, coating over it just hides the problem from view until it’s worse.
Silicone Coating for Flat Roofs
Silicone handles Miami’s ponding water better than acrylic because it cures into a rubber-like film that shrugs off standing water. We apply it only after pressure-washing and priming.
Elastomeric Coating for Tile and Metal
Elastomeric coatings reflect heat well on metal roofs and can seal minor surface rust. On tile, they’re sometimes used as a cosmetic refresh, but the prep work determines how long the coating actually bonds.
Trusted Brands We Service in Miami
We install and repair using GAF in Miami, CertainTeed, Atlas, and Boral products, among others. For Miami work specifically, we stock Boral barrel and flat tile locally because of its Miami-Dade NOA coverage and availability. Atlas and Tamko shingle lines also carry the NOA numbers Miami-Dade inspectors look for at final. Because we service these brands regularly, parts turnaround for Miami customers is fast. We don’t have to order a matching tile from a warehouse two states away while your roof sits open through the next storm.
Common Roofing Company Problems We See in Miami Homes
- Pre-1994 homes without hurricane clips. Miami-Dade requires rafter-to-top-plate hurricane clips on any re-roof of a pre-Hurricane Andrew home. It’s a $2,000 – $5,000 retrofit many quotes quietly leave out, and it appears mid-project as a surprise.
- Products without a Miami-Dade NOA. A shingle or underlayment that’s legal in Broward County will fail Miami inspection if it doesn’t carry a Notice of Acceptance number issued by Miami-Dade’s product control office. Out-of-town crews learn this the hard way on Miami jobs.
- Missing secondary water barrier. Miami-Dade’s HVHZ code mandates a self-adhering modified bitumen sheet under tile and shingles. Roofs installed without it show accelerated decking rot in our humidity, and the wind-uplift rating is void.
- Tile valley failures on older CBS homes. The heavy barrel tile common on Miami homes from the 1950s through the 1980s concentrates water at valleys. When the original valley metal fails, leaks travel sideways along the decking and show up far from the actual penetration.
Pricing for Roofing Company in Miami, FL
Miami Roof Repair typically runs $350 – $950 for flashing, valley, and small leak work, depending on access and what we find when we open the area. A full tile re-roof on a standard Miami CBS home runs $18,000 – $35,000, including the mandated underlayment and any hurricane clip retrofit. Shingle re-roofs run $9,000 – $18,000. Flat roof replacement runs $12,000 – $22,000. Roof coating runs $2,200 – $5,500. What moves the price most in Miami: whether the home predates 1994, whether the existing system has a NOA-documented assembly, and the roof’s pitch and access. Every quote we write is line-item, in writing, before work begins. Call (743) 200-8347 for a free estimate.
We Also Serve Cities Near Miami
Mercer Roofing serves the Roofing Company in Miami metro and surrounding areas, including Miami Beach, Coral Gables, Key Biscayne, and Hialeah. If you’re in one of these communities, the same Threshold Verified crews and written pricing apply.
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 Roofing Company in Miami
Yes, any structural roof work in unincorporated Miami-Dade or any of the county’s municipalities requires a permit, and the products used must carry a Miami-Dade Notice of Acceptance. A handyman patch without a permit leaves you exposed on insurance claims and resale disclosure. Some minor maintenance items, like cleaning a scupper or re-securing a loose tile without removing it, may not require a permit, but anything touching the roof assembly does. Call (743) 200-8347 and we’ll tell you straight which category your job falls into.
A pre-1994 Miami home almost always triggers Miami-Dade’s mandatory structural inspection, which requires hurricane clips installed at every rafter-to-top-plate connection before the roofing permit closes. That retrofit alone adds $2,000 – $5,000, and it’s non-negotiable. Newer homes built after Hurricane Andrew already have those clips, so the re-roof is just the roofing assembly itself. Call (743) 200-8347 for a quote that prices the clips up front, not as a mid-project surprise.
Miami-Dade’s HVHZ code requires a self-adhering modified bitumen secondary water barrier under all tile and shingle installations. It’s a peel-and-stick sheet that seals around fasteners and prevents water from reaching the decking when wind-driven rain gets under the primary covering. Miami’s year-round humidity above 75% would otherwise rot the decking from trapped moisture, and the barrier is also part of the wind-uplift assembly rating the inspector verifies. Ask any roofer quoting your Miami job to name the specific NOA-numbered barrier they’re including.
Look for three line items: the specific NOA numbers for every product the roofer plans to use, the self-adhering modified bitumen secondary water barrier, and the hurricane clip retrofit if your home predates 1994. A quote that just says “shingles, underlayment, labor” without identifying products will fail inspection or hide a change order. If the roofer can’t name the NOA number when you ask, that tells you what you need to know. Mercer writes every quote line-item with product names and NOA coverage identified before you sign anything.
It can, yes. Miami insurance carriers weigh wind mitigation credits heavily, and documented NOA compliance plus code-required hurricane clips and secondary water barrier are exactly the items a wind mitigation inspection verifies. That documentation packet, the one we hand over after every Miami job, is what the insurance carrier needs to apply the credit. The premium reduction varies by carrier and home, but compliant documentation is the only path to the discount. Call (743) 200-8347 and we’ll walk you through what your roof would need.
Call Mercer Roofing at (743) 200-8347 for a free estimate. You’ll get a written line-item quote, a technician’s name and photo before the visit, and a roof that passes Miami-Dade inspection the first time.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Miami since founding though our Threshold Group family, established 2000.






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