Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Sewall’s Point
Window replacement in Sewall’s Point, FL means working on a peninsula where every single home sits in salt air. The St. Lucie River wraps around the town on one side, the Indian River Lagoon on the other, and that changes what a window has to survive. You’re not shopping for glass. You’re shopping for something that will not corrode, will not fog, and will pass a Martin County building inspection today and ten years from now. TruePane has been doing this work long enough to know what Sewall’s Point throws at a window, and what it takes to install one that stays true. Call (772) 362-3326 and we’ll give you a straight answer and a free estimate.
Why TruePane Windows & Doors Is Sewall’s Point’s Preferred Window Replacement Company
We’ve spent years learning what the Treasure Coast does to windows, and Sewall’s Point is its own animal. The peninsula position means salt spray reaches every lot, not just the waterfront ones. Standard aluminum frames from the 1970s and 1980s on South Sewall’s Point Road, Heritage Way, and around Old St. Lucie Boulevard oxidize at the corners and crumble faster than anything we see a mile inland in Stuart. Our technicians know what those failures look like before they open the wall.
Dale Kessler founded TruePane on a rule that has not changed: if the pane is not true, the job is not done. That means we measure every opening twice, we register both manufacturer warranty layers in writing before the truck leaves your driveway, and we stand behind the work for 90 days with the Done Right Promise. No paperwork fights. No arguing. A live person answers our phone 24 hours a day, seven days a week, and the person who shows up is background-checked, uniformed, and knows Sewall’s Point well enough to quote the job the first time, not the third.
Our Window Replacement Services in Sewall’s Point
Full Frame Replacement
Most homes in Sewall’s Point built before 2004 have original single-pane aluminum sliders that predate Martin County’s post-2004 hurricane code. A glass swap won’t fix those. Full frame replacement removes the entire old window down to the rough opening, replaces rotted or oxidized framing, re-flashes with butyl tape, and sets a new impact-rated unit that meets current Florida Building Code. This is the norm here, not the upgrade. The marine air on the peninsula eats aluminum frames from the inside out, and once the corners start to crumble, the only honest fix is a full frame job.

Insert Window Replacement
If your existing frames are still square, uncorroded, and structurally sound, an insert window replacement drops a new unit into the old opening without disturbing trim or drywall. In Sewall’s Point we might recommend this on newer custom homes built after 2010, where the frames are higher-grade and the sealant lines are still holding. But we’ll tell you straight if it won’t last. Salt air does not make exceptions for wishful thinking, and we’d rather lose a sale than install a window we know will be back to haunt you in five years.

Storm Window Replacement
Storm protection in Sewall’s Point is not optional. The town sits in Florida’s Wind-Borne Debris Region, and the Florida Building Code requires impact-rated glazing on any permitted replacement opening. We replace outdated storm windows and upgrade shutter-only openings to full laminated impact glass. The code is specific here, and inspectors enforce it. We pull the permits, pass the inspections, and handle the paperwork so you don’t have to learn FBC Chapter 16 the hard way.

Energy-Efficient Upgrade
Salt air and humidity mean your windows work harder in Sewall’s Point than they would in Orlando. We install low-E coated laminated glass that cuts solar heat gain while providing impact protection, and we’ll show you the SHGC and U-factor ratings side by side on paper for the manufacturer lines you’re considering. A typical mid-century home on Sewall’s Point Road with original single-pane sliders will see a noticeable change in indoor temperature and AC load once the openings are sealed with modern insulated units.

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 Sewall’s Point
TruePane is an authorized installer for more than a dozen manufacturer lines, and we regularly quote, PGT, and ES Windows for Sewall’s Point homeowners. Andersen brings broad name recognition and strong sash construction. PGT builds impact-rated lines specifically for Florida’s Wind-Borne Debris Region. ES Windows offers architectural aluminum frames that hold up better than standard mill aluminum in marine environments. We put the quotes side by side on paper so you see exactly what each line costs and what each warranty covers. No mystery, no upsell.
Common Window Replacement Problems We See in Sewall’s Point Homes
- Oxidized aluminum frame corners. On the peninsula, salt spray hits a home from every direction at once. Frame corners on South Sewall’s Point Road and on interior streets alike develop white powder corrosion and eventually crumble, which compromises the seal and the structural hold of the glass. Once that starts, a full frame replacement is almost always the right call.
- Seized multi-point door lock mechanisms. Salt-caked internals bind exterior door hardware within two to three years in this environment. We see it on French doors, sliding doors, and impact entry doors, and the fix usually involves replacing the hardware and reconditioning the lock channel, not just lubricating it.
- Shutter-only openings flagged mid-remodel. Older homes permitted with accordion or panel shutters were compliant at the time. Pull a permit today for a kitchen remodel or an addition, and a Martin County inspector can require those shutter-only openings to be upgraded to full impact windows before the project closes. We’ve helped more than one Sewall’s Point homeowner caught off guard by that exact trigger.
- Fogged insulated glass units. Once the argon fill leaks out of an IGU, the window loses its insulating performance and develops internal condensation between the panes. In salt-heavy air, the edge seals on standard double-pane units degrade faster, especially on the water-adjacent streets like Heritage Way and around the lagoon side of the peninsula.
Pricing for Window Replacement in Sewall’s Point, FL
Here’s the honest picture for Sewall’s Point. A full frame impact-rated replacement on a standard 36-by-60-inch opening typically runs $1,800 to $3,400 per window, installed, depending on the manufacturer line and the condition of the rough opening. Insert replacement on sound frames runs $900 to $1,800 per opening. A full home of 10 to 14 openings on a mid-century waterfront estate usually lands between $28,000 and $55,000. Architectural custom work, like oversized laminated units or specialty frame finishes for a luxury build, adds lead time and cost but the line item is fixed in writing before anything is ordered. Lead times on this tier run 8 to 14 weeks depending on the manufacturer, and that, not labor, is what sets your calendar. Call (772) 362-3326 for a free estimate with written line items.
We Also Serve Cities Near Sewall’s Point
TruePane serves the whole Treasure Coast corridor. Most of our Sewall’s Point work comes from referrals, and we regularly work in Port St. Lucie, Indiantown, White City, and Fort Pierce South. If you’re on the peninsula or just across the bridge, the same crew and the same standards apply. See our Window Replacement services or our Sewall’s Point page for more on how we work here.
Serving Sewall’s Point, FL - Our Local Coverage Area
We’re based in the Sewall’s Point 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 - Window Replacement in Sewall’s Point
Because Sewall’s Point is a peninsula entirely encircled by the St. Lucie River and Indian River Lagoon, so ambient salt air saturates every lot on the island, not just the waterfront ones. In Stuart, salt exposure is directional and partial; on Sewall’s Point, it’s omnidirectional and constant. Aluminum frames oxidize at the corners and weep holes clog with salt crust within a few years, even on homes three streets back from the water. If your frames are showing white powder or crumbling corners, call (772) 362-3326 and we’ll tell you whether a repair or a full replacement is the honest fix.
In most Sewall’s Point homes built before 2004, the answer is no. The frames are single-pane aluminum, often with corroded corners and weakened track systems, and adding the weight of laminated impact glass to those frames will fail. The Florida Building Code also requires the entire opening, including the frame, to meet current impact standards when a permit is pulled. If the frame is still structurally sound and rated for the load, an insert replacement may work. We’ll tell you which one applies to your house after one site visit. Call (772) 362-3326 to schedule it.
A Martin County inspector can flag those shutter-only openings and require full impact window replacement before the remodel permit closes. It’s a real trigger in Sewall’s Point, and we’ve seen it halt projects mid-renovation more than once. If you’re planning any permitted work on a home with accordion or panel shutters, call us before you file. We’ll identify which openings the inspector will likely target, and you can budget the window work into the remodel instead of being surprised by it. Estimates are free at (772) 362-3326.
You’ll see internal condensation between the panes that won’t wipe off, or the glass will feel noticeably warmer in summer than it used to. In Sewall’s Point, the salt-heavy air accelerates edge-seal failure on standard double-pane units, so fogged IGUs show up faster here than they would in mainland Florida. Once the argon leaks out, the window’s insulating value drops and the only real fix is replacing the glass unit. Call (772) 362-3326 and we’ll inspect the sash and tell you whether a glass replacement or a full frame job is warranted.
For high-end custom homes on the peninsula, we typically specify laminated impact glass with a low-E coating tuned for Florida’s solar heat gain, often with a warm-edge spacer system to protect the seal from salt degradation. We work with architects and interior designers during the spec phase to select frame finishes and glass packages that meet the code and the design brief. The price is fixed in writing before we order anything, and lead times, not labor, are what set the schedule. Call (772) 362-3326 and we’ll walk the site with you and your architect.
Call TruePane Windows & Doors for Window Replacement in Sewall’s Point
If you live in Sewall’s Point, you already know what the salt air does to metal. Window replacement here is not a generic transaction. It’s a question of whether the work will hold up to the river, the lagoon, the wind code, and the inspector. Our team has spent years earning the right to say this: we stand behind it. We show up on time, we measure twice, we register both warranty layers in writing before we leave, and we do not walk away from a job until the pane is true. Call (772) 362-3326 today to schedule your free estimate, and ask for Dale’s crew. We will be there when we say, and the price will be what we quoted. No surprises, no change orders, no fine print that covers nothing.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Sewall’s Point and the Treasure Coast.
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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