Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Sliding & Patio Doors Across Duck Key
Sliding and patio door replacement in Duck Key typically runs $2,400-$7,800 depending on the opening size, impact-rating requirements, and frame material, with most installations completed in a single day once the door arrives. Duck Key is a fully water-surrounded island at roughly Mile Marker 61, which means every permitted opening has to meet Miami-Dade Notice of Acceptance (NOA) standards under Monroe County’s High-Velocity Hurricane Zone (HVHZ) code. That’s not a preference here. It’s the law. Our Sliding & Patio Doors team has worked canal-front homes from the Hawks Cay Resort corridor to the older concrete-block streets built in the 1960s and 1970s, and we know what salt air does to a track and rollers faster than any mainland homeowner would believe. Call (813) 320-9346 and a live person answers, any hour.
Why TruePane Windows & Doors Is Duck Key’s Preferred Sliding & Patio Doors Company
Dale Kessler founded TruePane Windows & Doors in 2008 on a rule he keeps on the whiteboard: if the pane is not true, the job is not done. That rule carries extra weight on Duck Key, where a slider that binds in July is not a nuisance. It’s a security gap on a home that sits vacant for six months while the owners are up north. We built our local reputation in Duck Key by measuring every opening twice, quoting manufacturer lines side by side on paper, and registering both warranty layers in writing before the truck leaves the driveway. That’s The Keystone Standard, and it’s not a brochure line. It’s the way we’ve worked for years.
Response time to Duck Key starts the moment you call. We do not run a voicemail tree or a regional call center. A live person picks up 24 hours a day, 7 days a week, takes the address, and gets a background-checked, uniformed technician scheduled. Our technicians know what original aluminum jalousie frames look like, what a Hawks Cay-area remodel expects for finish quality, and what Monroe County inspectors will flag before the permit is even pulled. Experience on this island means fewer surprises on the bill and fewer second visits.
Our Sliding & Patio Doors Services in Duck Key
Patio Sliding Doors
A new impact-rated patio sliding door in Duck Key starts around $2,400 for a basic aluminum NOA-approved unit and climbs toward $6,500 for a premium vinyl or aluminum-clad wood door with laminated glass. Homes along the canal fronts near Hawks Cay Resort often need custom millwork trim to match existing interior casing, and we coordinate that with the homeowner’s architect or designer before the order goes to the factory. The door gets ordered with the exact finish, the exact glass package, and the exact hardware. No substitutions after the fact.

Panoramic Sliding Systems
Panoramic sliding systems have become the standard ask on Duck Key’s higher-end canal-front remodels, especially on elevated stilt homes where the owner wants a wide, uninterrupted view across the water. These are long-lead items. A multi-panel panoramic system in Duck Key runs $12,000-$38,000 installed, depending on panel count, glass spec, and whether the opening requires structural header work. We set the price in writing before the order goes to the factory, so the number you sign is the number you pay, even if lead times stretch eight or ten weeks.

Heavy-Duty Sliding Doors
For openings that take real wind load, heavy-duty sliding doors with impact-rated laminated glass are the only choice that passes a Duck Key HVHZ inspection. These run $3,800-$9,000 per opening on this island. Salt spray from both the Atlantic and Florida Bay attacks aluminum frames faster here than almost anywhere else in the state, so material selection matters. We specify stainless steel rollers, marine-grade hardware, and frames rated for direct coastal exposure, and we show you the product approval documents before we install anything.

Pocket & Barn Doors
Interior pocket and barn doors do not carry the same HVHZ product approval requirement as exterior openings, but Duck Key’s older concrete-block homes present their own challenges: wall cavities with decades-old framing, termite history, and tighter tolerances than a mainland drywall partition. A custom pocket door system in Duck Key runs $900-$2,800 installed. Barn door hardware on a salt-air island should be stainless or powder-coated, because raw steel rusts in a season. We specify accordingly and stand behind the work with a 90-Day Done Right Promise.

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 Duck Key
We’re an authorized installer for more than a dozen manufacturer lines, and on Duck Key the names that come up most are PGT, CGI, and Andersen. PGT and CGI build specifically for Florida’s HVHZ market, and many Duck Key homeowners already know those product approval numbers by heart because their contractor or inspector told them to look for a Miami-Dade NOA. Andersen comes up on the custom side, when a homeowner near Hawks Cay wants wood interior trim with a specialty finish. We stock common rollers, tracks, and hardware locally so most repairs and adjustments happen in a single visit. If the part is not on the truck, we know which supply house in the Keys has it, and we’ll be there when we say.
Common Sliding & Patio Doors Problems We See in Duck Key Homes
- Salt-driven aluminum frame oxidation. Duck Key sits with open water on all sides, so frames take salt spray from the Atlantic and Florida Bay at the same time. Original aluminum patio sliders from the 1970s and 1980s pit and corrode along the jamb, and the sash starts binding within a few seasons. We see this on nearly every original slider on the island.
- Fogged insulated glass units on seasonal homes. When a Duck Key home sits vacant for months, a failed seal in an argon-filled pane goes unnoticed. The glass fogs, the energy performance degrades, and by the time the owner walks in, the door looks like it has cataracts. The fix is usually a glass replacement, not a full door swap, and we can tell you which one applies after one look.
- Non-compliant original aluminum sliders. Duck Key’s 1960s- through 1980s-era canal-front homes frequently still have original single-pane aluminum sliders with zero hurricane rating. The moment a permit is pulled for any work on that opening, Monroe County’s HVHZ rules require a full impact-rated replacement. We walk homeowners through this before the inspector shows up, not after.
- Track and roller failure from deferred maintenance. Sand, salt, and humidity work their way into the track of a patio door, and on a vacation home, nobody is there to clean it out. Rollers grind, the door starts to skip, and eventually the panel jumps the track. A maintenance check catches this early. A replacement roller kit catches it late.
Pricing for Sliding & Patio Doors in Duck Key, FL
Here’s what you can expect in Duck Key’s market, not a generic Florida average. A basic impact-rated patio sliding door runs $2,400-$4,200 installed. A premium Andersen or CGI slider with custom millwork and specialty finishes runs $5,000-$7,800. Panoramic multi-panel systems start around $12,000 and top out near $38,000 for wide openings on elevated homes. Interior pocket and barn doors run $900-$2,800. The factors that move the number are opening size, whether the home is concrete-block or stilt construction, glass spec, finish selection, and whether adjacent openings trigger compliance work. We give you a written line-item quote before ordering anything, and the price stays fixed. Call (813) 320-9346 to schedule your free estimate.
We Also Serve Cities Near Duck Key
While this page is built for homeowners on Duck Key, our crews also run scheduled work in Duck Key‘s surrounding communities. That includes Acacia Villas, Alafaya, Altamonte Springs, and Altoona. If you’re not sure which area you fall in, call (813) 320-9346 and we’ll sort it out. The island work always comes first, but we plan routes so nearby appointments stay on schedule too.
Serving Duck Key, FL - Our Local Coverage Area
We’re based in the Duck Key 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 & Patio Doors in Duck Key
Yes. Duck Key sits in Monroe County’s High-Velocity Hurricane Zone (HVHZ), and any permitted exterior opening, including sliding glass doors, must carry a Miami-Dade Notice of Acceptance (NOA) product approval. There is no grandfathering for a replacement. If you pull a permit for that opening, the new door has to be impact-rated. We help homeowners confirm their chosen door’s NOA status before ordering. Call (813) 320-9346 and we’ll walk you through it.
Duck Key is a fully water-surrounded island, so frames catch salt spray from the Atlantic on one side and Florida Bay on the other, often in the same afternoon. That constant salt load accelerates aluminum oxidation and steel hardware corrosion significantly faster than in mainland-adjacent Keys communities. The original aluminum sliders from the 1960s and 1970s are the worst offenders. Upgrading to marine-grade hardware and properly finished frames is the only durable fix we’ve found after years on this island.
Technically yes, if the jalousie windows are in other openings and you only pull a permit for the door. But here’s the Duck Key reality: many original canal-front homes still have aluminum jalousie windows that are non-compliant under current Monroe County code. Once an inspector opens a permit on your home, adjacent non-compliant openings can get flagged, and the job can turn into a whole-house compliance conversation. We tell homeowners this before the permit is pulled so there are no surprises. Call (813) 320-9346 for a straight answer on your specific house.
Premium sliding and patio doors on Duck Key run 6-12 weeks from order to delivery, depending on the manufacturer and whether the door is a stock NOA-approved unit or a custom-size opening with specialty finishes. The lead time, not installation labor, is what sets the calendar. We order early, fix the price in writing before the factory order goes out, and install in a single day once the door arrives.
Not always. Fogged panes usually mean the insulated glass unit’s seal has failed, especially on Duck Key vacation homes that sit empty for months and let the failure go unnoticed. If the frame is still sound and the door meets current HVHZ requirements, we can often replace just the glass unit for $500-$1,400 per pane. If the frame is original aluminum from the 1960s or 1970s and non-compliant, a full impact-rated replacement is the better long-term call. We’ll show you both options with numbers on paper before you decide.
Contact TruePane Windows & Doors in Duck Key
On a canal-front home near Hawks Cay Resort, we replaced a corroded original aluminum patio slider with an Andersen impact-rated sliding door, coordinated with the homeowner’s architect to match custom millwork trim and a specialty bronze finish. Because the property sits vacant for months, we documented salt-driven frame oxidation and failed insulated glass unit seals before ordering, then fixed the full price in writing before the long-lead item went to the factory. That’s the standard we bring to every Duck Key job. A live person answers the phone 24 hours a day. Call (813) 320-9346 for a free estimate. If the pane is not true, the job is not done.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Duck Key and the surrounding Keys communities with residential window and door installation since 2008 of combined craft heritage.
Six Reasons Homeowners Choose TruePane 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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