Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Sewall’s Point
Window installation in Sewall’s Point carries a set of demands you won’t find ten minutes west in Stuart. Every home on this peninsula sits inside a 360-degree salt-air envelope, and every permitted replacement opening must meet Florida’s Wind-Borne Debris Region code. That combination means marine-grade finishes and impact-rated laminated glass aren’t upgrades here. They’re the baseline. TruePane Windows & Doors has been setting windows to that standard since 2008, and we coordinate every Sewall’s Point job from our South Florida office with crews that know the peninsula’s housing stock, its inspectors, and its corrosion patterns. Call (772) 362-3326 to schedule a free estimate, and we’ll walk your openings with you before anyone quotes a dollar.
Why TruePane Windows & Doors Is Sewall’s Point’s Preferred Window Installation Company
Sewall’s Point homeowners tend to do their homework. Most have lived here twenty years or more, remember what the original windows looked like, and know exactly which contractor left them with a fogged seal or a door that binds in July. That’s the customer we’re built for. Dale Kessler founded TruePane in 2008 on a rule that still hangs on our whiteboard: if the pane is not true, the job is not done. We’re not the cheapest bid in Sewall’s Point, and we won’t pretend to be. What we offer is a square deal, in writing, every time.
Our Sewall’s Point customers call us for three reasons. First, we register both manufacturer warranty layers in writing before the truck leaves the driveway, with durations stated and no fine print that covers neither. Second, every job carries our Done Right Promise: if it’s not done right, we make it right, no paperwork and no arguing. Third, a live person answers our phone 24 hours a day, seven days a week. Not a voicemail tree, not a callback form. When a mid-century waterfront estate on South Sewall’s Point Road needs a window measured, the homeowner speaks to a person who knows what a corroded weep hole looks like.
Our technicians are background-checked and uniformed, and they measure every opening twice. We quote manufacturer lines side by side on paper so you see exactly what you’re buying. And we act like a company that plans to be in this town in thirty years, because we do.
Our Window Installation Services in Sewall’s Point
The homes on this peninsula fall into two rough camps: original mid-century single-pane construction from the 1950s through 1970s, and newer luxury custom builds that replaced or upgraded those originals. Both require a specific approach to Window Installation, and we tailor every job to the opening, the elevation, and the code requirements that apply on that specific street.
Casement Windows
Casement windows are common on Sewall’s Point waterfront elevations because they seal tightly against wind-driven rain and offer unobstructed views across the St. Lucie River. The catch is hardware. In ambient salt air, multi-point casement locks bind within a few years unless the gearboxes are stainless or marine-coated. We install casement units with corrosion-resistant hardware as the default on this peninsula, never as an upsell. A typical casement replacement in Sewall’s Point runs $900-$1,800 per opening installed, depending on size and impact rating.

Awning Windows
Awning windows appear most often on Sewall’s Point homes as ventilating units above fixed picture glass or in bathrooms and kitchens where privacy matters. Because they hinge at the top and open outward, they shed rain well, which matters on a peninsula that gets squalls off the lagoon. The failure point is almost always the operator mechanism corroding from salt residue. We replace awning operators with sealed, corrosion-resistant hardware. Most awning replacements here run $700-$1,400 per unit installed.

Fixed & Picture Windows
Fixed and picture windows are the workhorses of Sewall’s Point waterfront views. They don’t open, so the glass itself does the work: laminated impact glass for code compliance, low-E coatings for heat gain, and argon fill for insulation. On a peninsula where every home faces tidal water on at least two sides, the view is the point, and a picture window that’s fogged or scratched undermines the whole room. Fixed picture window installation in Sewall’s Point typically runs $800-$2,200 per opening depending on glass package and frame material, with large format units running higher.

Single & Double Hung
Single and double hung windows show up on the non-waterfront elevations of older Sewall’s Point homes, and they’re usually the first units to fail. Original 1960s single-pane double hungs with aluminum frames oxidize at the corners, lose their balance springs to salt corrosion, and stop staying open. We replace them with full-frame units, not inserts, because the original frames are rarely square after fifty years of tidal settlement. Budget $800-$1,600 per double hung opening installed in Sewall’s Point, more for impact-rated glass.

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 quote them side by side on paper so you can compare glass packages, frame materials, and warranties without squinting at a brochure. For Sewall’s Point specifically, we steer customers toward Andersen, Pella, and PGT for impact-rated units that hold up to ambient salt air, and ECO Window Systems for mid-century homes where a slimmer frame profile matters. We stock local replacement parts for these lines, which means a hardware call on a Sewall’s Point casement window doesn’t wait on a distributor in another county. If a manufacturer line has a known corrosion weakness in marine environments, we’ll tell you before you order it.
Common Window Installation Problems We See in Sewall’s Point Homes
- Weep holes crusted shut with salt. On a peninsula surrounded by the St. Lucie River and Indian River Lagoon, tidal moisture leaves salt residue on every frame track. When weep holes clog, water sits inside the track and rots the jamb from the inside. We see this on homes blocks from the water, not just on waterfront lots.
- Insulated glass seal failure within a few years. Salt-laden air degrades rubber gaskets faster here than anywhere inland in Martin County. The result is fog between the panes, lost argon fill, and a window that sweats in the summer. Most original aluminum units on 1960s Sewall’s Point homes are already at this stage.
- Multi-point lock mechanisms seizing. The gearboxes on sliding doors and casement windows fill with salt crystals over time. Homeowners call us for “window won’t latch,” but the real issue is corrosion in the hardware, and the fix is replacement hardware or a new sash, not graphite spray.
- Shutter-only openings flagged mid-remodel. Older Sewall’s Point homes permitted with accordion or panel shutters were compliant at the time. But Martin County’s current FBC enforcement means any renovation permit pulled today, even for an unrelated trade, can trigger an inspector flag requiring those shutter-only openings to be upgraded to full impact windows before the project closes. That stalls remodels for months unless the windows are already ordered.
Pricing for Window Installation in Sewall’s Point, FL
Window installation pricing on Sewall’s Point runs above mainland Martin County for a reason, and it’s not labor. It’s the glass package. Impact-rated laminated units cost more to manufacture than standard tempered glass, and code requires them on every new and replacement opening here. A typical full-frame impact casement replacement runs $900-$1,800 per opening. Double hungs run $800-$1,600. Fixed picture windows run $800-$2,200 depending on glass spec, and a bay or bow window with custom millwork starts around $4,500 and goes up from there. What affects the number: full-frame versus insert replacement, the size and elevation of the opening, whether custom millwork or specialty finishes are involved, and how quickly you need it. We quote a fixed price in writing before ordering anything. No change orders, no surprise line items on the bill. Call (772) 362-3326 for a free estimate, and we’ll put the numbers on paper.
We Also Serve Cities Near Sewall’s Point
Our crews serve Sewall’s Point and the surrounding Treasure Coast communities, including Port St. Lucie, Indiantown, White City, and Fort Pierce South. If you’re in one of those areas and dealing with salt corrosion, failed seals, or an inspector flag on shutter-only openings, the same fixed-price process and Done Right Promise apply. Call the same number: (772) 362-3326.
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 Installation in Sewall’s Point
Yes, if you pull a permit today. A Sewall’s Point home with accordion or panel shutters was compliant when it was built, but Martin County’s current Florida Building Code enforcement means any new permit, even for an unrelated trade like a kitchen remodel, can trigger an inspector flag on those shutter-only openings. At that point, the inspector will require impact-rated glazing before the permit closes. This catches homeowners mid-remodel all the time on the peninsula. If you know a remodel is coming, order the windows first. Call (772) 362-3326 and we’ll help you sequence it so the lead time doesn’t stall your project.
Because Sewall’s Point is a peninsula entirely surrounded by tidal saltwater. In Stuart, salt air is directional: homes near the water get more exposure, homes inland get less. On Sewall’s Point, there is no “inland.” Every home sits in ambient salt air, 360 degrees, all the time. That means frame corners oxidize, weep holes clog, and hardware seizes years faster than the same window installed a few miles west. Marine-grade finishes and stainless hardware aren’t upgrades here. They’re the baseline for any window that’s going to last.
A failed insulated glass unit shows fog or condensation between the two panes that you can’t wipe off from either side. On Sewall’s Point, the cause is usually salt-laden air degrading the rubber gasket seal, which lets the argon fill escape and moisture in. The glass pack itself is replaceable, but on original 1960s aluminum frames, the frame is usually too corroded to accept a new glass pack cleanly. At that point, you’re replacing the whole unit anyway, and it’s worth doing it full-frame so the rough opening gets properly flashed. Call (772) 362-3326 for a straight answer on whether your specific window is worth saving.
Saltwater exposure itself doesn’t change lead time, but the code requirement for impact-rated laminated glass does. Impact units are manufactured to order, not pulled from warehouse stock, and the glass lamination process adds real weeks. On Sewall’s Point, where every replacement opening must be impact-rated, you’re looking at roughly six to twelve weeks from measure to install, depending on the manufacturer and the line. That’s longer than a standard glass order in Stuart. We order on a fixed-price contract, in writing, before the factory starts production, so you know exactly what you’re paying and exactly how long you’ll wait. Call (772) 362-3326 if you need a specific lead time for your window line.
Usually not. Original 1960s single-pane aluminum frames on Sewall’s Point mid-century homes have spent fifty-plus years in ambient salt air. The frame corners are oxidized, the weep holes are crusted shut, and the rough openings often aren’t square after decades of settling on a tidal peninsula. Installing a laminated impact glass pack into a corroded, out-of-square frame leaves you with a voided warranty and a window that still leaks. The norm here is full-frame replacement, not glass swaps. On South Sewall’s Point Road, we pulled a set of original 1960s aluminum sliders from a waterfront estate a while back: the weep holes were crusted shut, the frame corners had visible oxidation pitting, and one sash lifted free from corroded rollers. We replaced them with full-frame impact-rated casement and picture units, then flashed every opening with butyl tape before trimming. The inspector closed the permit only after the shutter-only openings on the lanai were also swapped to laminated glass. That’s the reality on this peninsula. Call (772) 362-3326 and we’ll tell you honestly whether your frames can be saved or whether it’s time for full replacement.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Sewall’s Point and the Treasure Coast with years of glazing craft.
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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