Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Sliding Glass & Patio Doors Across Coral Gables
Sliding glass and patio door replacement in Coral Gables typically runs $2,500 to $5,000 per opening for a Miami-Dade NOA-rated impact unit, and the process takes 6 to 8 weeks when Historic Preservation Board approval is required. That’s the honest math for this city, where Merrick-era architecture and the strictest hurricane glazing code in the country meet. Winslow Windows & Doors handles the full path for you: design, spec sheets, board submittal, fabrication, and installation. Call (863) 251-5864 and Ed Winslow’s team will walk you through it.
We’ve been installing Sliding Glass & Patio Doors in Coral Gables long enough to know which openings on Alhambra Circle will sail through review and which ones on Country Club Prado need custom-radius fabrication. That local knowledge saves weeks, not days. And since every call is answered by a live person, you get answers when you need them, not a voicemail loop.
Why Winslow Windows & Doors Is Coral Gables’s Preferred Sliding Glass & Patio Doors Company
Ed Winslow founded this company in 2011 and put his name on it. That’s not a marketing line. It means when a Coral Gables homeowner on Hardee Road calls about a corroded sliding door jamb, the person answering understands what salt air does to aluminum frames within sight of Biscayne Bay. Our crews know the difference between a contributing historic structure facing review and a 1980s CBS home that needs only a building permit. That distinction determines your timeline and your price, and we tell you which one applies on the first visit.
Every technician who arrives at your Coral Gables home is background-checked and in uniform. You know who’s at your door before the truck parks. We install authorized products from PGT, CGI, Therma-Tru, and five other premium brands, and we carry a 36500-Day Done Right Promise. If it’s not done right, we make it right. Ed’s name is on the door, and on every job we do.
We serve Coral Gables neighborhoods from the Granada Golf Course area up through the Biltmore district and out toward Riviera Drive, with the same team coordinating every permit, spec sheet, and install date from our Miami South FL dispatch office.
Our Sliding Glass & Patio Doors Services in Coral Gables
Custom-Radius and Arched Impact Sliding Doors
Stock units won’t fit most Merrick-era openings in Coral Gables. We fabricate custom-radius and arched sliding doors that match the original profile, glazing bar pattern, and sightlines of your 1920s or 1930s home. George Merrick’s Mediterranean Revival code demands it, and the Historic Preservation Board enforces it. We prepare the spec sheets, submit them, and track the review.

Historic Preservation Board Spec-Sheet Preparation and Permit Coordination
This is the step most contractors miss. The Coral Gables Building and Zoning Department won’t accept a window or door permit for a contributing historic structure until the Historic Preservation Board signs off on the replacement design. We compile the product data, finished elevation drawings, and finish samples the board requires. That pre-permit step adds 4 to 6 weeks, and we build it into your schedule from day one.

Replacement of Corroded Aluminum Frames
Bay-facing neighborhoods in Coral Gables, particularly the eastern streets closer to the water, eat aluminum sliding door frames. Salt air corrodes the frame at the jamb, the track binds, and the door starts dragging. We replace those frames with NOA-rated, low-E insulated glass units built for Miami-Dade conditions, similar to the protection you’d get from Impact Garage Doors in Coral Gables. The finished door opens with two fingers instead of a shoulder.

Full Frame and Insert Replacement of Patio Doors
Whether your opening is square and standard or arched and custom, we offer both full frame replacements, where the entire jamb and threshold are rebuilt, and insert replacements, where the new unit fits inside the existing structural opening. On older Coral Gables homes with framing rot around the door, full frame replacement is usually the right call. We’ll tell you straight which yours needs.

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 Coral Gables
We’re authorized installers for PGT, CGI, Therma-Tru, ES Windows, ECO Window Systems, Mr-Glass, CWS, and ViewLux. For Coral Gables historic work, we frequently spec CGI in Coral Gables custom impact sliding doors because they offer the glazing bar patterns, finish options, and design pressure ratings the board wants to see. We also stock common replacement parts for these brands so repairs on existing doors don’t wait on a distributor across the state. If your current sliding door carries a brand we service, we can often handle repairs faster than the original installer.
Common Sliding Glass & Patio Doors Problems We See in Coral Gables Homes
- Arched openings with off-the-shelf units: A homeowner buys a stock impact sliding door online, then discovers the city won’t issue a permit because the arched opening and decorative grille pattern don’t match the Merrick-era original. The unit sits in the garage for weeks while the board reviews.
- Non-HVHZ doors that fail final inspection: A contractor installs a non-HVHZ, out-of-state sliding door without a Miami-Dade NOA. The final inspection fails, the homeowner must tear it out, and the project cost doubles. We see this once or twice a year in Coral Gables.
- Frameless Euro doors that break the glass-to-frame ratio: A designer specifies a frameless sliding door without checking Coral Gables’s maximum glass-to-frame ratio for impact glazing. The switch to a laminated glass interlayer unit with a wider jamb arrives after tile is installed. We prefer to catch that before the tile goes down.
- Corroded aluminum frames near the Bay: Eastern Coral Gables neighborhoods get salt-air exposure that pits and seizes aluminum sliding door frames. The track binds, the rollers fail, and eventually the frame leaks. Replacement with a proper impact unit solves it permanently.
Pricing for Sliding Glass & Patio Doors in Coral Gables, FL
Expect a stock impact sliding door replacement in Coral Gables to run $2,500 to $4,000 installed for an average width opening. Custom-radius or arched units start around $3,500 and climb to $5,000 or more depending on glass-to-frame ratio, finish matching, and glazing bar detail. The Historic Preservation Board review itself doesn’t add fees beyond the standard permit cost, but the custom fabrication it requires adds 4 to 6 weeks and roughly 15 to 25 percent over a stock insert. Additional openings on the same home bring the per-unit price down. Call (863) 251-5864 for a free in-home measure and a written line-item quote. The price we quote is the price you pay. Every time.
What Sliding Glass & Patio Doors Costs in Coral Gables
Impact sliding doors in Coral Gables generally run $2,500 to $5,000 per opening installed. That’s higher than Pinecrest or South Miami because this city’s housing stock skews smaller-windowed, arch-heavy, and historically reviewed. A whole-home package with multiple sliding door openings and matching impact windows or our Custom & Geometric Windows in Coral Gables runs $8,000 to $25,000 and up, depending on opening count, wind zone proximity to the coast, floor height, and frame material. Vinyl frames cost less than aluminum, but Aluminum is often the right call for historic compatibility in Mediterranean Revival homes. We provide free in-home measurements and a written quote before any work is ordered. Fixed pricing, no change orders.
Florida Pays You Back
Florida homeowners in Coral Gables can stack several incentives on a sliding door replacement. The My Safe Florida Home program offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, including impact sliding doors. The state sales-tax exemption applies to impact-resistant windows and doors, which trims the invoice immediately. The federal 25C energy credit can return 30 percent of product cost, up to $600 per year, on qualifying high-efficiency glazing units. After a wind-mitigation inspection, typically $75 to $150, many homeowners see windstorm-premium credits averaging around 25 percent on the windstorm portion of their policy. Final numbers come from the program administrators and your carrier, not from us, but these are the programs we see our Coral Gables customers use.
Historic Review Is the Real Schedule Driver in Coral Gables
In Coral Gables, a sliding patio door replacement on a contributing historic structure requires pre-permit approval from the city’s Historic Preservation Board before the Building Department will even accept the permit. That’s a 4 to 6 week gate. Our crew submits product spec sheets proving the new impact-rated sliding door matches the original Merrick-era profile, finish, and sightlines. The board cares about glazing bar patterns, frame finish, and whether the new unit reads as an original element rather than an obvious replacement. The lead time on custom fabrication runs another 4 to 6 weeks after approval. That’s why the honest timeline for a historic Coral Gables sliding door replacement is 6 to 8 weeks from contract to install, and why the price is fixed in writing before we order anything.
On a 1930s Mediterranean Revival home off Hardee Road, our crew replaced a corroded, out-of-square aluminum sliding patio door with a custom CGI impact-rated sliding glass unit carrying both Miami-Dade NOA and Florida Product Approval. The existing jamb had rotted from decades of salt-air exposure, so we rebuilt the rough opening to true, installed the new laminated glass interlayer door with the wrought-iron grille detail the board required, and matched the original bronze-anodized finish. The architect signed off on the design pressure rating before we ordered, and the client moved in before hurricane season without a single change order. That’s the process done correctly.
Impact Windows vs. Shutters: The Permanent Choice for Coral Gables
Some Coral Gables homeowners still weigh impact sliding doors against hurricane shutters. Shutters require panels to be located, hauled, and mounted before every storm. Impact glazing is already in place the moment a hurricane watch posts. When storm prep for a home with multiple sliding doors means a 45-minute shutter deployment, and the alternative is simply closing your already-impact-rated doors, most homeowners take the permanent protection. We install impact sliding doors, we don’t install shutters, but the comparison comes up often enough that our clients ask us to explain the difference. Done once, rated for Miami-Dade HVHZ, and always in place. That’s the whole pitch.
We Also Serve Cities Near Coral Gables
Our crews serve Coral Gables and the surrounding communities throughout Miami-Dade, and we also handle Roof Repair in Coral Gables. If you’re in Miami, Brickells, Coconut Grove, or anywhere nearby, the same Winslow team covers your area with the same pricing structure and the same 36500-Day Done Right Promise. Call (863) 251-5864 and tell us where you are. We’ll tell you when we can be there. We’re the one down the road.
Serving Coral Gables, FL - Our Local Coverage Area
We’re based in the Coral Gables 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 - Sliding Glass & Patio Doors in Coral Gables
It depends on whether the property is listed as a contributing structure in a designated historic district. Many 1950s homes in Coral Gables fall outside historic districts and need only a standard building permit. Homes in districts like the Riviera or Country Club neighborhoods may require board review even for non-landmark structures. We check the property status before we quote so you’re not surprised. Call (863) 251-5864 with your address and we’ll confirm it.
Probably not if the home is a contributing historic structure. Frameless designs typically exceed Coral Gables’s maximum glass-to-frame ratio for impact glazing and rarely match the original profile the board expects. A laminated glass interlayer unit with a wider jamb is often the workable replacement that preserves the clean sightline while meeting code. Call (863) 251-5864 and we’ll bring samples to your Coral Gables home.
Because Coral Gables enforces a two-track permitting system. The Building and Zoning Department won’t issue a window or door permit for a contributing historic structure until the Historic Preservation Board signs off on the replacement design. Pinecrest has no advisory board. That’s the difference. The board meets on a fixed calendar, so we submit spec sheets early and track the agenda. Call (863) 251-5864 to start the clock sooner.
You need a Miami-Dade County Notice of Acceptance for the specific product configuration, including the glass interlayer, frame material, and design pressure rating for the exact window size and wind zone. If the home is in a historic district, you also need product spec sheets proving the replacement matches the original profile, glazing bar pattern, and finish for the Historic Preservation Board review. We compile and submit both sets. Call (863) 251-5864 for a free estimate and we’ll handle the paperwork.
Generally yes, if the grille is in good structural condition and the new door is fabricated to accept it. The board often prefers reusing original wrought iron because it preserves the historic character they’re protecting. We coordinate with the fabricator to build the new unit around the existing grille’s dimensions and attachment points. Call (863) 251-5864 and we’ll assess your grille during the free measure.
Key Takeaways for Coral Gables Homeowners
- Budget $2,500 to $5,000 per sliding door opening, more for custom-radius work.
- Plan 6 to 8 weeks when Historic Preservation Board approval is required.
- Miami-Dade NOA certification is non-negotiable for any replacement unit.
- Reusing original wrought-iron grilles is often permitted and sometimes preferred.
- Free in-home measure and written quote. Call (863) 251-5864.
If you’re planning a sliding glass or patio door replacement in Coral Gables, start with the right advice. Call (863) 251-5864 to schedule your free in-home estimate. A real person answers, every time. Ed’s name is on the door, and on every job we do.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving Coral Gables 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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