Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Trusted Custom & Geometric Windows for Naples Homeowners
Custom and geometric window installation in Naples typically costs $1,800-$6,500 per opening depending on the shape, glass package, and structural work involved, with most projects completed in 3-7 days once the windows arrive from the manufacturer. That’s the honest range we quote at Winslow Windows & Doors, and we’ve been backing those numbers with finished work since 2011. Ed Winslow put his name on this company because he answers for every window we install, every arch we frame, and every seam we seal along Florida’s Gulf Coast. If you’ve got an awkward opening, a dated half-round, or a vision for a wall of glass that nobody else will touch, call us at (239) 899-6411. We’ll send a background-checked technician in a marked truck, and you’ll get a straight answer, not a sales script.
Naples homes carry a particular set of demands that box-store installers rarely respect: salt air, hurricane codes, western exposure, and HOAs that notice everything. We account for all of it. Every geometric window we install is measured to the sixteenth of an inch, ordered with glass built for Florida’s wind and UV loads, and installed by a crew that has framed arches, trapezoids, and full-radius curves in neighborhoods from Naples to Marco Island. This is not commodity work. It’s geometry, engineering, and finish carpentry rolled into one, and it’s exactly what our team does best.
What Our Custom & Geometric Windows Service Includes
Here’s exactly what you get when you call us for custom or geometric window work. No vague promises, no “we’ll see when we get there.” Just the scope we quote, the materials we order, and the labor we perform.
Custom Impact Windows
A custom impact window is a non-standard opening fitted with laminated, impact-rated glass that meets Florida Building Code for windborne debris protection. In Naples, where every window east of the Intracoastal sits in a wind zone that demands impact protection, this usually means a shaped unit that must be engineered and tested, not just cut to size. We work directly with PGT’s custom order desk to spec impact glass for trapezoids, triangles, and oversized fixed panels, then install them with the same anchoring schedule a standard rectangular window requires. The result is a window that looks like architecture and performs like armor.

Geometric & Shaped Windows
Geometric & shaped windows are fixed or operable units in shapes other than rectangles: triangles, trapezoids, pentagons, octagons, parallelograms, and angled corner windows. They appear most often in gable ends, stairwells, and rooms with cathedral ceilings, and they fail most often because someone framed the rough opening sloppily or flashed the sill incorrectly. Winslow Windows & Doors measures every geometric opening with a laser template, orders the exact unit from manufacturers like Mr-Glass that specialize in true shape replication, and installs with a focus on water management that matters more on angled sills than anywhere else. If your triangle window leaks or your octagon has fogged glass, we replace it and rework the flashing so it won’t leak again.

Arched & Curved Windows
Arched & curved windows, from simple half-rounds to full eyebrow curves and Palladian configurations, add character to a Naples entryway or living room, but they demand precise radius matching. A half-round ordered a quarter-inch off will never seat properly, and we see that mistake from other installers regularly in older Naples Park and Vineyards homes. Our team works with ViewLux and other manufacturers that cut true-radius frames from engineered templates, not approximations, so your arch fits its opening the first time. We also handle curved glass replacements in existing frames when the glazing is intact but the glass itself has cracked or lost its seal.

Oversized Openings
Oversized openings include floor-to-ceiling fixed panels, wide picture windows, multi-panel geometric arrays, and openings over 40 square feet that require reinforced framing or mullion engineering. These jobs carry higher wind load requirements, meaning the glass, the frame, and the anchors all have to be specified together rather than picked from a catalog. Winslow Windows & Doors has framed and installed oversized openings in Lely Resort, North Naples, and along Gulf Shore Boulevard, working with structural engineers when the header or king studs need modification. We pull the permit, pass the inspection, and stand behind the result with our 36500-Day Done Right Promise.

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.
Brands We Service for Custom & Geometric Windows
We’re an authorized installer for PGT, and that matters in Naples because PGT builds the impact glass most local architects specify. We order custom PGT shapes directly from the factory, which means your trapezoid or half-round carries the same warranty as a standard window and arrives with the Miami-Dade or Florida Building Code approvals your municipality will ask for. Our installers have framed hundreds of PGT custom units, from small half-rounds in Golden Gate bungalows to multi-thousand-pound impact arrays on the water. That familiarity means fewer surprises during install and fewer callbacks after.
For homeowners who want a specific aesthetic, we also install custom and geometric units from Mr-Glass and ViewLux. Mr-Glass excels at true geometric shapes, including angled corner units and gable-end glass, and we’ve worked with their engineering team to solve fitment challenges other installers walked away from. ViewLux builds clean, modern fixed and operable units that work beautifully in contemporary Naples homes, and we spec them often for oversized openings that need slim sightlines. Whether you have one of these brands already or you’re starting from scratch with any other manufacturer on the market, we can measure, order, and install it properly.
We also service and replace Therma-Tru geometric and arch-top door glass, which shares the same framing and flashing principles as custom windows. If your arch-top entry door glass is fogged or your sidelight geometry is failing, our team handles that work with the same precision.
Signs You Need Custom & Geometric Windows Right Now
- You can see daylight or feel drafts around a shaped window frame. Geometric windows flex more than rectangular ones because their frames distribute stress unevenly. When the seal fails, warm air pours out in summer and rain finds its way inside during afternoon storms. This isn’t a caulk-it-and-forget-it situation; the frame needs to be pulled, inspected, and reinstalled or replaced.
- The window is fogged or hazy between the panes. Once a thermal seal breaks, the insulating gas escapes and condensation collects inside the glass. On a custom shape, that replacement glass has to be cut to the exact template, which is why we laser-measure rather than eyeball it. Ignoring it means permanently reduced insulation and a window you can’t see through.
- Your HOA or insurance company flagged the opening as non-impact. Florida insurance carriers and Naples-area HOAs have gotten serious about impact compliance, especially on shaped windows that previous owners installed cheaply. We replace non-impact geometric glass with code-compliant impact units and document everything for your insurance file.
- The window sticks, won’t open, or the frame sags visibly. Operable geometric windows, like angled casements or arch-top awnings, put uneven load on hinges and operators. When they start to bind or drop, the frame may be shifting, which means water is working its way into the rough opening behind the wall.
- You’re planning a remodel or addition with a unique opening. If you’re building or renovating and the architect drew something that isn’t a rectangle, get the window company involved before the framer closes the walls. We’d rather measure the opening and order the window before drywall goes up than show up after and tell you the rough opening doesn’t match the drawing.
Our Custom & Geometric Windows Process - Step by Step
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Call and talk to a real person. When you call (239) 899-6411, someone answers. Not a voicemail, not a call center. We ask about the window, the shape, any existing damage, and your timeline, then schedule a no-trip-charge estimate inside our home county.
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On-site measurement and inspection. A technician visits your home, laser-measures the opening or the existing window, checks the framing and flashing, and documents the structural conditions. For oversized or unusual shapes, we may take digital templates that go directly to the manufacturer’s engineering team. You get a written quote with line-item pricing before we leave.
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Detailed quote with no pressure. The quote spells out the exact window or glass package, the frame material, the glass type, the labor, and any structural or permit work. We hold those numbers. If you get a competing written estimate, bring it to us for a free second opinion, and if the scope is the same, we’ll show you where the differences are.
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Ordering and installation. We place the order with the manufacturer the day you approve the quote. When the window arrives, our uniformed, background-checked crew installs it using the manufacturer’s anchoring schedule plus our own flashing and sealing standards. Permits are pulled when required, and the inspector’s sign-off is part of the job, not an option.
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36500-Day Done Right Promise. Before we leave, we walk the opening with you, show you the seals and the anchors, and make sure you know how to operate everything. If it’s not done right, we make it right. That promise isn’t a tagline; it’s the standard Ed Winslow has attached to his name since 2011.
How Much Does Custom & Geometric Windows Cost in Naples?
A typical geometric replacement window in Naples, like a 36-by-36 half-round or a small trapezoid, runs between $1,800 and $4,200 installed. Larger arched configurations, such as a Palladian three-piece over a front door, usually land between $4,000 and $8,500 depending on glass package and structural work. Oversized fixed panels or multi-unit geometric arrays with impact glass can run $8,000 to $25,000 or more, and the right number depends on engineering, crane access, and the manufacturer’s custom order pricing. Here’s how that breaks down:
- Standard geometric replacement window (non-impact, small): $1,800-$3,200
- Impact-rated geometric window (small to midsize): $2,800-$5,500
- Arched or curved window assembly (entry or living room): $4,000-$8,500
- Oversized fixed panel or geometric array (impact, engineered): $8,000-$25,000+
- Glass replacement only (existing frame, fogged or cracked): $400-$1,800 depending on shape and glass
What changes the price? The biggest factor is glass: impact-rated laminated glass costs substantially more than non-impact, and in many Naples locations, impact is not optional. The second factor is the frame material, with aluminum and vinyl common for custom shapes and premium materials like thermally broken aluminum climbing higher. The third is structural scope: if the header needs reinforcement or the rough opening needs reframing, that’s additional labor and possibly engineering. The way to avoid overpaying is to get a written, line-item quote that separates glass, frame, labor, and any structural work. We provide that at no charge, and our quotes don’t change once approved unless you change the scope.
Custom & Geometric Windows Near Naples - Our Service Area
We serve Naples and the surrounding communities daily, including North Naples, East Naples, Naples Park, Golden Gate, Lely Resort, the Vineyards, Estero, Immokalee, and Ave Maria. For our neighbors in Marco Island and Bonita Springs, we schedule dedicated routes each week, and jobs are typically booked within a few business days of the initial estimate. Our home page has the full picture of window and door services we provide across the area, and our published address in Naples means we’re never far from your job site. Call (239) 899-6411 and someone will answer, day or night.
Serving Naples, FL - Our Local Coverage Area
We’re based in the Naples area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions - Custom & Geometric Windows in Naples
A custom or geometric window is any window that isn’t a standard rectangle, including triangles, trapezoids, half-rounds, octagons, arches, and oversized fixed panels. In Naples, these windows often sit in gable ends, stairwells, entryways, and great rooms where a standard window can’t fill the architectural opening. We measure, order, and install these shapes to the exact opening, with glass packages matched to Florida’s wind and impact requirements.
Most custom window projects take 3-7 days of on-site labor once the windows arrive, which is typically 3-8 weeks after you approve the quote depending on the manufacturer’s production schedule. The installation itself for a single geometric window is usually a one-day job, while multi-window arrays or oversized openings can take several days including structural work and inspection. If you’re on a deadline, call (239) 899-6411 early so we can check lead times with the manufacturer before you commit.
A small geometric replacement window in Naples typically costs $1,800-$4,200, while impact-rated and arched units run higher, and oversized openings can reach $25,000 or more. The final number depends on glass type, frame material, structural requirements, and the manufacturer. We give free written estimates with line-item pricing, and if you have another written quote, bring it in for a free second opinion. Call (239) 899-6411 for an exact quote on your opening.
Yes. We’re an authorized installer for PGT and we work extensively with Mr-Glass, ViewLux, and Therma-Tru products, along with other major manufacturers. We order OEM glass and parts for these brands and match their installation specifications. If your existing brand is something else entirely, we can still measure, source, and install a proper replacement.
If a shaped window breaks or leaks and you need it secured or boarded, call us any time, day or night. A live person answers 24/7, and we can dispatch a technician to secure the opening and start the replacement process. For storm damage or sudden glass failure, don’t wait; a broken geometric window is a security and weather entry point, and we treat it that way.
Your window carries the manufacturer’s warranty on glass and frame, and our workmanship is covered by the 36500-Day Done Right Promise. If something isn’t done right, we come back and make it right. That promise comes from Ed Winslow personally, and it’s been in place since we opened in 2011.
Clear the area around the window, inside and out, so our installers have three to four feet of working space, and move furniture or valuables away from the opening. If you have decorative window treatments on the window, take them down before we arrive unless you’ve asked us to do it. We’ll protect floors and furniture with drop cloths, and we’ll walk you through what the install day looks like before the crew starts.
Schedule Your Custom & Geometric Windows Service in Naples Today
You don’t have to live with a leaking half-round, a fogged octagon, or a framer’s guess from the previous owner. Call Winslow Windows & Doors at (239) 899-6411 and talk to a real person who can schedule your free on-site estimate, answer your questions straight, and give you a written quote that won’t change on you. We’ve been the one down the road in Naples since 2011, and Ed’s name is on the door, and on every job we do.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving Naples and the surrounding communities since 2011.
Six Reasons Homeowners Choose Winslow 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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