Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Roof Repair Across Key Biscayne
Roof repair in Key Biscayne typically runs $450-$2,800 depending on whether you’re dealing with a small leak, corroded flashing, or tile replacement after a storm. Most repairs on the island take one to two days once materials are on site, and we schedule work around your condo association’s rules when that applies. Call (904) 478-8983 for a straight answer and a free estimate.
We know Key Biscayne roofs differently than a mainland roofer ever could. Salt spray from the Atlantic and Biscayne Bay eats standard roofing hardware in a few years, not decades. Crandon Boulevard condos, Harbor Point units, and the single-family homes off Woodcrest Road and Ridgewood Road all face the same aggressive marine environment. Ed Winslow’s name is on the door, and our crews live with these conditions every week.
Why Winslow Windows & Doors Is Key Biscayne’s Preferred Roof Repair Company
We’ve been called out to Key Biscayne for everything from a missing barrel tile on a 1970s condo to full roof-to-wall connection retrofits on older single-family homes. Homeowners and condo boards keep our number because we show up knowing the island’s building stock. The housing here is largely 1960s through 1980s construction, much of it low- and mid-rise, with original roof systems that were never designed for today’s Miami-Dade High Velocity Hurricane Zone requirements.
Our repair crews arrive in uniform, background-checked, and ready to explain exactly what they found before any work begins. We answer the phone live around the clock. That matters when a storm rolls through at 2 a.m. and you can hear water dripping into the ceiling of your unit on Fernwood Road.
We also carry the hardware that survives here. Standard electrogalvanized roofing nails from a big-box store corrode on Key Biscayne within five years. We specify hot-dip galvanized ring-shank fasteners and marine-grade sealants on every coastal repair, and we verify uplift compliance on all structural connections. That’s the difference between a patch that lasts and one that fails in the next named storm.
Ed Winslow founded this company in 2011, and we operate with a published address and license number. The Done Right Promise backs every repair: if it’s not done right, we make it right. Period.
Our Roof Repair Services in Key Biscayne
Roof Inspection and Maintenance
A roof inspection on Key Biscayne isn’t a formality. Given the salt exposure, we’re looking for corroded fasteners, pitted flashing, cracked ridge mortar, and sealant failure around penetrations. We photograph everything and walk you through the findings. For condo associations along Crandon Boulevard, we provide written reports suitable for board review and insurance documentation.

Roof Leak Repair
Leaks on the island rarely start where the water shows up inside. Salt-laden moisture often wicks through unsealed roof penetrations, corrodes the decking from underneath, and then travels along rafters before dripping into a bedroom or hallway. We trace the actual source, not just the visible stain. Repairs range from $450 for a single penetration reseal to $2,800 for multiple flashings and deck repair.

Roof Recoating and Sealing
Flat and low-slope roofs are common on Key Biscayne condo buildings and commercial properties. Salt spray accelerates membrane breakdown and coating delamination. We apply marine-grade polyurethane and silicone coatings rated for coastal UV and salt exposure, extending the service life of an otherwise sound roof by years. Pricing depends on square footage and current membrane condition.

Tile and Shingle Replacement
Barrel tile roofs are everywhere on Key Biscayne, and they fail in a specific way here: the nails rust, the tiles slip, and wind gets underneath. We replace damaged tiles, corroded flashing, and failed underlayment with materials that match the surrounding roof and meet HVHZ uplift standards. Our Roof Repair team has done this work on dozens of island properties.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Key Biscayne
We repair and maintain roof systems on homes and condos across Key Biscayne, and we’re authorized installers for PGT, CGI, and CWS products when a repair crosses into replacement territory. Having access to these manufacturers means we can match specifications for impact-rated skylights, roof vents, and related components without waiting weeks on distributor backorders. For older buildings transitioning away from jalousie and single-pane systems, we’re also an authorized installer for ES Windows and ECO Window Systems, which often come into play during full roof-to-wall retrofit scopes.
Common Roof Repair Problems We See in Key Biscayne Homes
- Rusted-out roof nails and fasteners. Standard electrogalvanized nails shear off under hurricane uplift after a few years of salt exposure. We replace them with hot-dip galvanized ring-shank fasteners rated for coastal environments.
- Failed flashing at eaves and rakes. Powder-coated aluminum flashing pits and perforates from salt spray, allowing water intrusion where the roof edge meets fascia. We replace with thicker-gauge material and marine sealant.
- Unsealed roof penetrations. Vents, pipes, and HVAC curbs that were never properly sealed let salt-laden moisture wick into plywood decking, rotting it from the inside while the surface looks fine.
- Cracked ridge and hip mortar on barrel tile roofs. Thermal expansion plus salt crystallization breaks down mortar joints faster on the island than anywhere inland. Loose ridge tiles become projectiles in a storm.
What Roof Repair Costs in Key Biscayne
We price honestly, and we give written line-item quotes before work starts. Here’s what Key Biscayne homeowners and condo boards should expect:
- Small leak repair (single penetration, reseal and patch): $450-$750
- Flashing replacement at eaves or chimney: $800-$1,600 depending on linear feet and access
- Tile replacement (10-25 barrel tiles, including fasteners and underlayment patch): $900-$2,200
- Flat roof recoat and seal (per 1,000 sq ft): $1,800-$3,500
- Deck repair from salt-wicking rot (per sheet of plywood replaced): $350-$600
- Full roof-to-wall connection retrofit (per opening, when code requires): $500-$1,200
What moves the price: roof pitch and access, whether a lift or staging is required, the condition of the existing decking, and the level of HVHZ compliance work needed. A repair that’s just swapping a tile costs far less than one that requires replacing corroded structural connectors. Call (904) 478-8983 for an in-home measure and a written quote. The estimate is free.
Pricing for Roof Repair in Key Biscayne, FL
A typical roof leak repair in Key Biscayne runs $450-$900 when it’s isolated to a single penetration or flashing point. Multiple flashings, deck repair, or tile replacement push the job to $1,500-$2,800. The salt-corrosion factor is real: a repair that would cost $400 inland often runs 30-40% more here because we’re replacing corroded hardware rather than just resealing a crack. We don’t charge a trip fee inside our home county, and every repair over $200 takes $40 off. Seniors and veterans always get 10% off.
Florida Pays You Back
Key Biscayne homeowners have access to several incentive programs that offset repair and retrofit costs. My Safe Florida Home offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, and we can help you understand what your roof qualifies for. Florida currently exempts impact-resistant windows and doors from sales tax. The federal 25C energy credit returns up to $600 per year on qualifying energy-efficient units. After a wind-mitigation inspection ($75-$150), many carriers reduce windstorm premiums by about 25%. We don’t set those numbers, and program availability changes, but we’ll point you to the right resources.
The Salt-Air Premium: Why Coastal-Spec Roof Repairs Cost More and Last Longer
Here’s what we actually see on Key Biscayne roofs, and it’s the single most important thing to understand before you approve any repair. A standard inland roof patch uses electrogalvanized nails, standard flashing, and basic sealant. On the island, that repair starts failing in three to five years. The nails corrode, the flashing pits, the sealant loses adhesion under constant salt spray and UV. The homeowner pays for the same repair twice, sometimes three times, within a decade.
The coastal-spec version costs more up front because the materials cost more. Hot-dip galvanized ring-shank nails run roughly twice the price of electrogalvanized. Marine-grade polyurethane sealant costs three times what standard roofing cement does. Thicker flashing with a better coating adds 20-30% to material cost. But that repair is still performing ten years later. On Key Biscayne, the cheap spec is the expensive one.
Miami-Dade HVHZ code doesn’t just recommend these materials here, it requires uplift-rated connections on all roof-to-wall repairs. Inland roofers never deal with this. We do it every week. When we verify a repair, we’re checking that the fasteners, the flashing, and the sealant all meet the dual demands of salt corrosion resistance and hurricane uplift ratings. That’s the standard, and we don’t work below it.
We Also Serve Cities Near Key Biscayne
Winslow Windows & Doors works throughout the coastal corridor, including Key Biscayne, Miami Beach, Miami, and Coral Gables. If your property sits across the Bear Cut Bridge in Virginia Key or north along the coast, we can schedule your estimate and repair on the same trip. Call (904) 478-8983 and a live person answers.
Serving Key Biscayne, FL - Our Local Coverage Area
We’re based in the Key Biscayne 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 - Roof Repair in Key Biscayne
Yes. Any roof repair on Key Biscayne must comply with Miami-Dade High Velocity Hurricane Zone standards, including uplift-rated fasteners and connections, regardless of patch size. We verify every repair against current HVHZ requirements before closing out the job. Call (904) 478-8983 to schedule an inspection.
Roof nails on Key Biscayne corrode roughly twice as fast as on mainland Miami, with standard electrogalvanized fasteners failing within three to five years versus eight to ten years inland. The constant salt spray from the Atlantic and Biscayne Bay accelerates oxidation continuously, even without rain. We specify hot-dip galvanized fasteners on every coastal repair.
Older Key Biscayne condos, particularly the 1960s-1980s buildings along Crandon Boulevard, often have corroded structural connectors, failed underlayment, and outdated roof-to-wall attachments beneath the visible damage. Repairing just the surface tile leaves the structural deficiency in place, which violates current HVHZ code and invites failure in the next storm. We assess the full assembly before quoting.
Marine-grade polyurethane and silicone sealants are the standard for Key Biscayne roof repairs; standard asphalt-based roofing cement breaks down too quickly under salt spray and UV exposure. We use products specifically rated for coastal environments and Miami-Dade HVHZ conditions. For an exact scope and product recommendation, call (904) 478-8983.
In most cases, yes. Salt-corrosion leaks around penetrations, flashings, and ridge joints can be repaired without a full roof replacement, as long as the decking and structural connections are still sound. We inspect the full assembly, replace corroded hardware and failed sealant, and verify uplift compliance. Call (904) 478-8983 for a free estimate.
Contact Winslow Windows & Doors for Roof Repair in Key Biscayne
Ed’s name is on the door and on every job we do. The one down the road. If your roof needs attention on Key Biscayne, call (904) 478-8983 to schedule your free estimate. A live person answers, 24/7.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving Key Biscayne since 2011.
Six Reasons Homeowners Choose Winslow Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.










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