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 Sewall’s Point
Custom window and door work in Sewall’s Point is a different animal than what most mainland contractors are used to. The peninsula sits between the St. Lucie River and the Indian River Lagoon, which means every home in town deals with salt air that would pass for oceanfront exposure anywhere else. That fact alone changes what we specify, how we order, and why we do not trust standard residential hardware on any opening. If you need custom shape windows, oversized glass panels, architectural grilles, or a full door replacement, call (754) 324-4646 and we’ll walk the property with you. You’ll get a written line-item quote before anything gets ordered.
Why TruePane Windows & Doors Is Sewall’s Point’s Preferred Custom Windows & Doors Company
We’ve been doing high-end custom glazing in coastal Florida long enough to know what holds up and what fails in this specific environment. Sewall’s Point homeowners tend to ask harder questions than most: Will the hardware seize in five years? Will the seal fog before the warranty expires? Will the frame oxidize where the salt settles? Those are the right questions, and we answer them with written specifications, not reassurances. Our founder, Dale Kessler, built TruePane on a rule that still governs every install: if the pane is not true, the job is not done.
Every technician who works in Sewall’s Point is background-checked and uniformed. They measure every opening twice and put manufacturer quotes side by side on paper, so you see exactly what you’re buying before you commit. We register both warranty layers in writing before the truck leaves the driveway. That’s The Keystone Standard, and it’s not optional. The Done Right Promise backs it: if something isn’t right, we make it right, no paperwork runaround.
Dispatch and scheduling for Sewall’s Point are coordinated from our Miami office, but the crews serving this town work locally and know the streets. We serve the whole peninsula: the waterfront estates along South Sewall’s Point Road, the mid-century homes near Heritage Park, and the interior lots off Langford and Hillcrest that still get hammered by tidal salt air. A live person answers our phone 24 hours a day. (754) 324-4646 is the number; you’ll never hit a voicemail tree.
Our Custom Windows & Doors Services in Sewall’s Point
This page covers the custom end of the trade, not the standard double-hung replacement job. If you need a full overview of what we build and install, see our Custom Windows & Doors hub. For Sewall’s Point, here’s what matters most:
Architectural Grilles & SDLs
Simulated divided lites on a waterfront estate need to look right from six inches away, not just from the dock. We build SDL profiles from the manufacturer’s specified materials and pair them with the right glazing, so the grille bars don’t trap salt moisture against the glass. On older homes along the river side of the peninsula, we’ve replaced grille systems where the original aluminum profiles had started to bloom with white oxidation. The fix starts with specifying marine-grade material from the start, not trying to retrofit around corrosion.

Oversized Glass Panels
Sewall’s Point homes don’t do small windows. A great room facing the Indian River Lagoon wants a 10- or 12-foot pane, and that means engineering considerations most installers never touch: deflection under wind load, glass thickness versus frame type, and how the panel gets set without flexing the frame. We order from manufacturers who build to Martin County wind-borne debris requirements, and we write the structural spec into the quote before you sign. No surprises when the glass arrives.

Custom Shape Windows
Arches, radius tops, eyebrow windows, hexagonal openings: the point of a custom window is that it fits the architecture, not the catalog. In Sewall’s Point, the catch is that custom shapes ordered without marine-grade framing develop oxidation at the jamb and sill within a few years. We’ve seen it on homes near Old St. Lucie Boulevard where the original builder spec’d interior-grade aluminum on a coastal elevation. We won’t repeat that mistake. Your custom shape gets the same marine hardware spec as the rest of the elevation.

Commercial Storefront Glazing & Curtain Wall Systems
For commercial work on the peninsula or just across the bridge in Stuart, we handle storefront glazing and curtain wall systems with the same Keystone Standard. A curtain wall near the water takes the same salt load as a residential window but with bigger consequences when a seal fails. Our team sizes frames, orders from authorized manufacturer lines, and handles the full install with permits pulled and inspections passed. If you own a commercial property in Sewall’s Point and the existing storefront shows corrosion or fogged units, call us before the next hurricane season.

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
We’re an authorized installer for more than a dozen manufacturer lines, and for Sewall’s Point work we lean hard on the marine-rated options: CGI, ES Windows, and CWS. These are the product lines designed for coastal corrosion zones, and they carry warranty structures that actually apply to a saltwater peninsula. We stock common parts for these brands locally, which means faster turnaround when a window needs a new hinge or a door roller gives out. If you have an existing custom window from a different line, we’ll tell you honestly whether it makes sense to repair or replace, and we’ll quote both options on paper.
Common Custom Windows & Doors Problems We See in Sewall’s Point Homes
- Hardware seizure from salt air. Because the peninsula is narrow and surrounded by tidal water on both sides, even street-side windows show corrosion rates normally associated with oceanfront lots. Specifying standard residential hardware on any opening leads to seized locks and corroded hinges within five years. We replace with marine-grade stainless as a default, because on Sewall’s Point there is no “away from the water” side.
- Seal failures in post-2004 replacement windows. After Hurricanes Frances and Jeanne hit in 2004, a wave of replacements went in fast, and many of those units were built to a price, not to the environment. Now they’re 20 years old with fogged glass and failing insulated units. We handle full IGU replacement, and we quote it as a line item so you can decide whether a single sash or the whole opening makes more sense.
- White oxidation on custom architectural shapes. Arches and radius windows look great for about three years, then the white powder shows up at the jamb and sill if the frame alloy wasn’t specified for salt exposure. That oxidation ruins the millwork reveal and usually voids the finish warranty. When we rebuild these, the marine-grade frame is not optional.
- Binding doors and warped sashes on mid-century estates. Homes built in the late 1960s through early 1990s often have original aluminum sliders and hinged doors whose frames have expanded and contracted through decades of salt and humidity. The fix is rarely a new roller; it’s usually a full frame replacement with a modern impact-rated unit that matches the original sightlines.
Pricing for Custom Windows & Doors in Sewall’s Point, FL
Custom work is priced by the opening and the glazing spec, not by a square-foot average. On Sewall’s Point, expect architectural grilles and SDL systems to run $120-$210 per square foot of window, depending on profile depth and material. Oversized glass panels typically land between $3,500-$9,000 per opening installed, with the high end reserved for laminated impact units and complicated structural surrounds. Custom shape windows, including arches and radius tops, run $1,800-$5,500 per window, and marine-grade hardware adds roughly $400-$900 per opening over standard residential spec. A full wall of custom impact sliders on a waterfront elevation often totals $18,000-$45,000. Every quote is fixed in writing before we order. No change orders, no “the glass got more expensive” calls. Call (754) 324-4646 and we’ll come measure.
We Also Serve Cities Near Sewall’s Point
TruePane Windows & Doors serves the whole Treasure Coast corridor, and our crews work in Stuart, Hobe Sound, Jensen Beach, and Palm City as often as they work on the peninsula. If you’re in one of those towns and want the same coastal spec, the same written pricing, and the same warranty registration, see Custom Windows & Doors in Sewall’s Point for how we approach the area, then call (754) 324-4646.
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 - Custom Windows & Doors in Sewall’s Point
The difference is geography. Sewall’s Point is a narrow peninsula with saltwater on both sides, so every home sits within a few hundred feet of open tidal water. In Stuart or Jensen Beach, salt exposure varies by lot; on Sewall’s Point, it’s universal. That means marine-grade stainless hardware, impact-rated glazing, and corrosion-resistant framing are a baseline spec for every opening, not an upgrade. A contractor who quotes mainland pricing without accounting for that is setting you up for a five-year callback. Call (754) 324-4646 for a quote built for this town.
The schedule is set by manufacturer lead times, not by how quickly our crew can work. A custom Marvin or ES Windows order is typically four to six months from approved drawings to delivery. The key is that we lock your price in writing before we place the order, so a four-month wait doesn’t drift into a higher invoice. We also coordinate with your architect or designer up front, because redesign or re-spec delays are the most common reason a project slips. Once the glass is in hand, our crew is done in days, not weeks.
In most cases on Sewall’s Point, you can replace just the IGU without rebuilding the entire sash. The deciding factors are whether the frame itself has corroded or warped, and whether the manufacturer still supports the original profile. If the frame is sound and only the glass seal has failed, a new IGU is typically $600-$1,800 per unit depending on size, coating, and impact rating. If the frame shows oxidation or the hardware is seized, we’ll quote both repair and replacement and tell you which one we’d choose if it were our house.
For a west-facing elevation in Sewall’s Point, you want a SHGC of 0.25 or lower to manage afternoon heat gain from the lagoon’s reflected light, and a U-factor of 0.30 or lower for a frame with a thermally broken profile. Impact-rated laminated glass will also cut some visible light transmission, so we often specify a low-E coating tuned for high visible transmittance with low solar gain. The exact numbers go into your written quote, and we’ll show you the manufacturer’s performance data before you approve anything.
Because the peninsula is too narrow to have an “away from the water” side. The St. Lucie River wraps one side, the Indian River Lagoon wraps the other, and the distance from any home to open saltwater is measured in hundreds of feet, not miles. Tidal salt air, especially during the wet season when humidity holds the salt in suspension, finds every piece of exposed metal. That’s why we won’t quote standard residential hardware on Sewall’s Point, even for a window facing the street. It’s a callback waiting to happen, and we’d rather do it right the first time. Call (754) 324-4646 for a free estimate.
If your custom windows and doors are showing their age, fogged glass, seized hardware, or oxidation at the frames, we’ll come look and tell you straight what needs to happen. The estimate is free, the price is fixed in writing, and the work is backed by the Done Right Promise. Call (754) 324-4646 and ask for the custom windows and doors team.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Sewall’s Point and the Treasure Coast with years of glazing 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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