Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom Windows & Doors Across North Key Largo
Custom window and door work in North Key Largo is not a mainland job with a longer drive. The peninsula sits in Monroe County’s 160+ mph wind zone, with salt air pushing in from the Atlantic on one side and Florida Bay on the other. That combination means every custom opening needs impact-rated glass, marine-grade framing, and an installer who understands how both forces punish a house over time. We’ve been doing exactly this work here long enough to know what fails first and what holds. If you’re planning custom windows or doors for a home in North Key Largo, call (813) 320-9346 and we’ll walk the job with you before anyone starts ordering materials.
Why TruePane Windows & Doors Is North Key Largo’s Preferred Custom Windows & Doors Company
TruePane was founded by Dale Kessler, a second-generation glazier, and the company has carried a simple rule since 2008 of community service: if the pane is not true, the job is not done. That standard matters more in North Key Largo than almost anywhere else we work, because a window that is even slightly out of square on an elevated CBS home will bind, leak, and fail under the salt load this peninsula delivers. Homeowners here have told us the same stories for years: a contractor from the mainland installed standard aluminum frames, the hardware pitted within two seasons, and the warranty paperwork was never registered. We register both warranty layers in writing before our truck leaves the driveway. That is The Keystone Standard, and it sits behind every job we do in North Key Largo.
Our crews working in North Key Largo are background-checked, uniformed, and trained in-house as apprentices before they ever lead a job. They know the difference between a mill-finish aluminum frame and a marine-grade 316 stainless hinge, because both get spec’d on this stretch of coast and only one survives it. A live person answers our phone 24 hours a day, seven days a week, not a voicemail tree. When you call about a custom door that is binding or a window with a fogged seal, you talk to a human who can schedule a real visit.
Our Custom Windows & Doors Services in North Key Largo
Custom work on this peninsula pulls in a specific set of demands: openings that standard sizes do not fit, glass that must be impact-rated, hardware that must be corrosion-proof, and a schedule that has to account for materials with real lead times. Here is where we spend most of our days in North Key Largo.
Custom Shape Windows
Arched tops, radius corners, trapezoids, angled gables on ocean-facing walls. Custom shape windows in North Key Largo are usually impact-rated laminated glass units framed in marine-grade aluminum or reinforced vinyl, because a non-standard shape still has to hold its rating when the wind hits 160 mph. We measure every opening twice and quote the manufacturer lines side by side on paper, so you see exactly what you are buying before the order goes in.

Oversized Glass Panels
East-west exposures on North Key Largo homes are brutal. An oversized panel spec’d without the right U-factor and SHGC tuning will turn a living room into a solar oven, and if the house sits vacant for months, the A/C cannot keep up and the heat load warps everything around the glass. We size these panels for the actual sun path on your lot, then pair impact-rated laminated glass with low-E coatings tuned to the orientation. The goal is a big view that does not cook the house.

Architectural Grilles & SDLs
Simulated divided lites, true divided lites, custom muntin profiles, interior and exterior grille bars. In North Key Largo, this work often has to match a pattern set by a community’s design guidelines. We have matched existing grille patterns on Ocean Reef Club homes down to the bar width and profile, so the new units read as original to the house. Impact-rated SDLs add a layer of complexity, because the grille sits between laminated glass lites and has to stay perfectly aligned through the lamination process.

Commercial Storefront Glazing
Storefront systems on the mainland get away with standard thermal breaks. On North Key Largo, aluminum storefront framing needs marine-grade finishes and stainless hardware, or the salt air eats it in two hurricane seasons. We supply and install storefront glazing with the right coatings for this environment, and we do it on schedules that respect business hours and the county’s permitting queue.

Curtain Wall Systems
For larger residential and commercial structures, curtain wall systems carry the same wind and salt loads as everything else on this peninsula, just across a much larger framed area. We coordinate engineering, mockups, and installation sequencing so the curtain wall is rated for this wind zone and built with corrosion-resistant framing from the start. Retrofitting cheap metal out of a curtain wall is far more expensive than spec’ing it right the first time.

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 North Key Largo
We are an authorized installer for more than a dozen manufacturer lines, including Andersen, Pella, Marvin, Milgard, PGT, and CGI. For the high-end custom work this area calls for, we also quote ES Windows, ECO Window Systems side by side on paper, so you see the frame material, glass package, finish, and lead time for each line before you commit. That matters when you’re ordering custom units with eight- to twelve-week lead times. If you need parts or service for an existing Andersen or Marvin installation in North Key Largo, we keep common hardware and seal components stocked and can turn most repair visits around in a single trip. Our Custom Windows & Doors team handles everything from a single fogged sash to a whole-house replacement.
Common Custom Windows & Doors Problems We See in North Key Largo Homes
- Fogged double-hung sashes on Ocean Reef Club homes. Argon fill leaks out through failed seals, then saltwater humidity attacks the fusion-welded corners. The glass looks cloudy, the rating is still there, but the thermal performance is gone. We replace the insulated glass unit and inspect the surrounding sash for seal failure before it spreads.
- Corroded sliding door tracks and sill pans. After two hurricane seasons, standard roller hardware and uncoated sill tracks seize up on Card Sound Road homes. The door binds, then water migrates into the elevated CBS subfloor. We rebuild these with stainless hardware and properly flashed, marine-grade sill pans.
- Oversized glass spec’d wrong for east-west sun. A big panel without the right SHGC makes a vacant North Key Largo house unbearably hot and drives the humidity load through the roof. We re-spec with tuned low-E coatings and the right U-factor for the exposure, then re-order the glass through the original manufacturer line when possible.
- Hinges and hardware that pit within two seasons. Even on impact-rated doors, standard stainless is not enough here. Monroe County’s salt air demands 316 stainless or better on hinges, handles, and roller assemblies. We replace failing hardware with marine-grade components and register the upgraded warranty in writing.
Pricing for Custom Windows & Doors in North Key Largo, FL
Custom impact-rated windows in North Key Largo generally run $1,400 to $3,200 per opening, depending on size, shape, frame material, and glass package. Oversized glass panels start around $4,000 and can exceed $12,000 for large east-west exposures that need tuned low-E coatings and structural reinforcement. Architectural grilles and SDLs add $180 to $600 per opening, depending on pattern complexity and whether the grille is inside the laminated glass or applied. A full custom door package with marine-grade hardware typically lands between $8,000 and $20,000. Lead times on custom units, not labor, drive the calendar. We fix the price in writing before we order materials, so a slower manufacturer does not become your cost overrun. Call (813) 320-9346 for a free, line-item estimate on your exact openings.
We Also Serve Cities Near North Key Largo
Our crews work regularly across the upper Keys and the southern mainland corridor, including Acacia Villas, Alafaya, Altamonte Springs, and Altoona. If your home sits outside the immediate North Key Largo peninsula, we still schedule the same way: measure every opening, quote the lines side by side, and register the warranties before the truck leaves. Call (813) 320-9346 and tell us where you are.
Serving North Key Largo, FL - Our Local Coverage Area
We’re based in the North Key Largo 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 - Custom Windows & Doors in North Key Largo
It adds a coordination step that does not exist on mainland jobs. Monroe County permitting moves on one track, but Ocean Reef Club’s architectural review committee moves on its own. You pull the county permit first and order materials before clearing the club’s approval, and you will likely eat storage fees or re-order fees when the committee rejects a detail. We sequence it the other way: clear the club’s design review, then pull the county permit, then order the units. It adds two to four weeks to the front end and saves months of delay on the back end. Call (813) 320-9346 if you are starting this process now.
Marine-grade aluminum with a high-performance fluoropolymer finish, usually paired with 316 stainless hardware, holds up best on the Card Sound Road corridor. Standard mill-finish aluminum pits within two seasons. Reinforced vinyl works for some openings, but for high-end custom work with oversized glass, a properly coated marine aluminum frame is the realistic long-term answer. We quote both so you see the cost difference in writing.
Yes. Every opening on a structure in North Key Largo’s wind zone, including oversized panels, must meet Monroe County’s impact-rated glazing requirements. The laminated glass carries the impact rating, and the framing system must be engineered to hold it. We spec the panel, the frame, and the anchoring together so the whole assembly passes as one system, not a rated lite dropped into an unrated frame.
Yes. We have matched existing grille patterns on Ocean Reef Club homes down to the bar profile and spacing. We can source true divided lites or simulated divided lites from manufacturers that support custom muntin dimensions, and we document the pattern with photos and measurements before ordering so the new units read as original to the house. If you have a particular pattern you need matched, call (813) 320-9346 and we will bring samples.
We fix the material prices in writing at the time of order, which protects you from manufacturer price increases during the eight- to twelve-week lead times common on custom impact units. Labor is quoted as a separate line, also fixed. The schedule is built around the manufacturer’s confirmed delivery date, and we do not schedule installation until the units have arrived and been inspected. You know what the job costs before anything is ordered, and the price does not move after that. Call (813) 320-9346 for a written quote on your openings.
Written by Dale Kessler, Owner at TruePane Windows & Doors. TruePane serves North Key Largo and the surrounding Upper Keys communities with custom impact windows and doors, installed to The Keystone Standard and backed by a 90-Day Done Right Promise.
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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