Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Sliding glass doors
Impact garage doorsPGTCGI
Before
After
Before
After
Before
AfterFast, Reliable Custom Windows & Doors Across Key Biscayne
Custom windows and doors in Key Biscayne are not a cosmetic decision. The island sits between Biscayne Bay and the open Atlantic, and every opening in your home takes wind load and salt spray from at least one direction. A window that meets mainland Miami code often fails the High Velocity Hurricane Zone review the moment a Miami-Dade plan examiner looks at the product approval number. Our crews work Key Biscayne week in and week out, and we know what the inspectors check before the permit is filed. If you’re replacing jalousies on Sonesta Drive or swapping ocean-facing sliders in a condo near Crandon Boulevard, we’ll spec the job correctly the first time. Call (386) 406-9359 for a free estimate.
Why TruePane Windows & Doors Is Key Biscayne’s Preferred Custom Windows & Doors Company
TruePane has been installing and replacing windows and doors since 2008, founded by second-generation glazier Dale Kessler in 2008 on a rule that still governs every job: if the pane is not true, the job is not done. Key Biscayne homeowners call us because we don’t treat the island like a mainland route. We know the HOA review boards at the oceanfront condos, we know the NOA documentation the building department requires, and we know that a zinc hinge on an east-facing casement will seize within eighteen months. That’s not a guess. It’s what we’ve seen on service calls.
Background-checked, uniformed technicians measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers in writing before the truck leaves the driveway. That’s The Keystone Standard. Every job carries the Done Right Promise. If it’s not done right, we make it right. No paperwork fights, no arguing.
Our Custom Windows & Doors Services in Key Biscayne
Custom Shape Windows
Arched transoms over a Key Biscayne entry door, radius windows in a 1970s CBS living room, trapezoid units under a coastal roofline. Custom shape windows start with a template taken on site, not a catalog number. In an HVHZ market, every custom shape still has to carry a Miami-Dade NOA. We template, we spec, and we order from manufacturers who’ve already run the impact tests. A typical custom shape window in Key Biscayne runs $900 to $2,800 installed, depending on glass package and opening size.
Commercial Storefront Glazing
Key Biscayne’s commercial strip along Crandon Boulevard and the shopping plazas near the village center have storefront systems exposed to salt air all year. We replace storefront frames, doors, and glazing with marine-grade hardware and corner keys that won’t corrode out. Most single-storefront replacements run $2,000 to $6,500. For a business, a fogged panel or a binding threshold isn’t just unsightly. It’s a code violation at the annual inspection.
Curtain Wall Systems
Coastal condos on Key Biscayne use curtain wall systems in lobbies, amenity rooms, and penthouse levels. These are not repair jobs you hand to a generalist. A curtain wall leak or failed spandrel panel requires matching the original system’s engineering, not guessing. We coordinate with HOA boards and pull the permit only after architectural review clears. Curtain wall repair or panel replacement in Key Biscayne typically runs $4,000 to $18,000 depending on scope, access, and glass type.
Architectural Grilles & SDLs
Simulated divided lites are the quiet workhorse of Key Biscayne curb appeal. They give a home the look of true divided windows without sacrificing impact-glass performance. We install interior and exterior grilles, spacer bars, and SDL packages on Andersen, Pella, Marvin, and PGT lines. Adding SDLs to a custom window set usually runs $120 to $400 per window. On Key Biscayne, the finish matters. Powder-coated aluminum lasts; painted wood swells in humidity within two summers.
Trusted Brands We Service in Key Biscayne
We’re authorized installers for more than a dozen manufacturer lines, including, Ply Gem, and PGT. That matters because a manufacturer warranty is only as good as the installer who registered it. We register both warranty layers, in writing, with the durations stated, before we leave your driveway. Key Biscayne’s salt environment means hardware and sealant selection matter as much as glass. We stock marine-grade replacement hinges, rollers, and weatherstripping for the brands Key Biscayne homes actually have, so a repair doesn’t turn into a two-week wait on backorder.
Common Custom Windows & Doors Problems We See in Key Biscayne Homes
- Jalousie windows failing pre-sale inspections. Original aluminum louvered windows are explicitly prohibited under current Miami-Dade HVHZ code. Any sale, insurance renewal, or permitted renovation on Key Biscayne almost always triggers full replacement with NOA-certified impact glazing.
- Salt-corroded hardware on ocean-facing units. Zinc-plated hinges and rollers on an Atlantic-facing casement or slider will bind within 18 months. We replace them with marine-grade stainless hardware and closed-cell foam sealants. On Key Biscayne, these aren’t upgrades. They’re the baseline.
- HOA review stalls on coastal condos. Key Biscayne’s mid- and high-rise buildings require architectural review before permitting. A contractor who skips that step gets the work stopped after rough-in, and the owner pays double for re-permitting. We’ve seen it happen.
- Non-compliant mainland-sourced impact windows. Not every “impact rated” window carries a Miami-Dade NOA. Specifying a product without the right approval number kills the permit on submission and wastes weeks. We verify NOA numbers before we order.
Pricing for Custom Windows & Doors in Key Biscayne, FL
We Also Serve Cities Near Key Biscayne
TruePane serves homeowners across South Florida’s coastal corridor. Our Key Biscayne crews also cover Miami Beach, Miami, and North Miami Beach, so if you own a rental property on the mainland or are helping family in a nearby neighborhood, we can coordinate the work without bouncing between contractors. Dispatch and scheduling run from our Miami (South FL) office, with crews working locally on Key Biscayne.
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 - Custom Windows & Doors in Key Biscayne
Yes. Every window replacement in Key Biscayne requires a permit, and a jalousie replacement triggers a full HVHZ compliance review because jalousies are prohibited under current code. Matching the opening size does not waive the requirement. The replacement must carry a Miami-Dade NOA. We pull the permit, schedule the inspection, and stand behind the pass. Call (386) 406-9359 for an exact quote. Estimates are free.
No. Key Biscayne’s coastal condos require HOA architectural review before a permit application can be submitted. Skipping that review gets the work stopped after rough-in, forcing the owner to pay for re-permitting and reverting the opening to its prior condition. We request the HOA package before we order materials. It adds a step, but it’s the step that keeps the job moving. Call (386) 406-9359 and we’ll walk the approval path with you.
Because Key Biscayne’s Atlantic-facing facades take direct hurricane wind loads with almost no upwind landmass to reduce pressure. The island’s narrow barrier geometry means a Category 4 gust hits the window frame at full force, not filtered through miles of mainland structure. We use longer, deeper anchors and closed-cell foam flashing tape on ocean-facing openings. On a Sonesta Drive casement replacement, the inspector verified the NOA stickers on every sash before sign-off. That’s the standard. Call (386) 406-9359 for a free estimate on your east-facing windows.
In most cases, yes. Key Biscayne insurers apply wind-mitigation credits for NOA-certified impact glazing, and documentation is the trigger. A window that carries a Miami-Dade NOA and is registered correctly with your carrier qualifies for premium reduction. The catch is paperwork: if the NOA numbers aren’t recorded on the permit and the final inspection doesn’t match, the credit can be denied. We register both warranty layers and provide the compliance documentation your adjuster needs. Call (386) 406-9359 for a free estimate and we can talk through what your carrier will want.
A compliant quote includes the Miami-Dade NOA product approval number for every window, marine-grade stainless hardware, closed-cell foam flashing, HOA coordination (if applicable), the permit application, and both warranty layers registered in writing. A cheap quote omits the NOA verification, uses zinc hardware that corrodes within 18 months, skips HOA review, and leaves you to handle permitting. The price gap vanishes the first time a mainland-spec window gets denied at permit submission. Call (386) 406-9359 and we’ll put a line-item quote on paper so you can see exactly what you’re buying.
TruePane Windows & Doors serves Key Biscayne with custom windows and doors that meet Miami-Dade HVHZ code on the first submittal. A live person answers the phone 24 hours a day, 7 days a week. Call (386) 406-9359 to schedule your free estimate. We measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers before the truck leaves your driveway. If the pane is not true, the job is not done.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Key Biscayne and South Florida since 2008.
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.