Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom & Geometric Windows Across West Miami
Custom and geometric windows in West Miami typically run $2,500 to $5,000 per opening installed, with whole-home packages starting around $8,000 among the city’s 1950s-era CBS homes. Every replacement unit here must carry a Miami-Dade Notice of Acceptance, not just a Florida Product Approval, because West Miami sits entirely inside the High Velocity Hurricane Zone. That single requirement changes which windows you can buy, who can install them, and what the inspector will check before signing off. Call (863) 251-5864 and we will walk you through it, opening by opening.
We are Winslow Windows & Doors, and we have worked these streets long enough to know that a curved window on SW 8th Street is not the same job as one in a newer Broward subdivision. The block walls, the buck framing, the inspector’s clipboard, the salt in the air - all of it shapes the work. Ed Winslow’s name is on the door, and on every job we do.
Key Takeaways
- West Miami requires a Miami-Dade NOA on every custom or geometric window - Florida Product Approval alone will not pass inspection.
- Typical custom window openings in West Miami run $2,500 to $5,000 installed; entry-level impact windows start around $800 to $1,500 per unit.
- Most West Miami homes are 1950s to 1960s concrete block, so masonry anchoring and buck-frame replacement are part of the job.
- Free in-home measure and written line-item quote. Call (863) 251-5864.
Why Winslow Windows & Doors Is West Miami’s Preferred Custom & Geometric Windows Company
West Miami is small, dense, and almost entirely built out, which means the contractors who do right here get talked about. We have earned our place by knowing what the city’s inspectors actually look for. Miami-Dade NOA verification is not a detail we remember at the end of the job. It is the first thing we confirm before we order a single unit, because a window without the right Miami-Dade approval number stamped on it will fail rough-in inspection and trigger a stop-work order. Our Custom & Geometric Windows team keeps that documentation on the truck at every site.
We answer the phone with a live person, 24 hours a day. Not a voicemail loop, not a call center. When a West Miami homeowner calls about an arched window on a Saturday morning or a jalousie that finally gave out after 60 years, a real person picks up. Every technician who arrives at your door is background-checked and in uniform, so you know who is standing on your porch before you open it.
Winslow has been locally owned and owner-operated since 2011, with a published address and license number. We are an authorized installer for PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. And we back the work with the 36500-Day Done Right Promise: if it is not done right, we make it right. That is a hundred years of accountability, and it applies to every custom geometric window we install in West Miami.
Our Custom & Geometric Windows Services in West Miami
West Miami’s housing stock is almost entirely single-family concrete block homes built between roughly 1945 and 1970. That means window openings are masonry-framed, not wood-stud, and nearly every custom job involves anchoring into block or replacing deteriorated buck framing. We plan for that from the first measurement. Here is what we handle across West Miami:
Custom Impact Windows
Every custom impact window we install in West Miami carries a Miami-Dade NOA specific to the exact make and model. Not a generic Florida Product Approval. The city sits in the HVHZ, which exists because this corridor sees the strongest documented sustained winds of any U.S. metro, so impact ratings are not optional here. We match design pressures to the opening, never exceeding +/-100 PSF, and we confirm the NOA number before you spend a dollar.

Geometric & Shaped Windows
Triangles, trapezoids, pentagons, half-rounds, quarter-rounds - West Miami’s older homes often have odd, non-standard openings that national chains will not touch. We cut and order geometric units to the exact rough opening dimensions, including large-missile impact ratings for HVHZ compliance. The temptation is to pick a shape based on looks alone. We make sure the unit you fall in love with will actually pass a West Miami inspection.

Arched & Curved Windows
Arched windows on 1950s CBS homes are common along SW 8th Street and the blocks branching off it, and replacing them means rebuilding the masonry arc with proper steel lintel support. This is not a drop-in retrofit. Our crew frames the curve to the original radius, anchors into block, and orders the arched sash with the correct Miami-Dade NOA. On a 1958 CBS home off SW 8th Street, we replaced an original single-pane jalousie with a custom arched PGT impact window. The masonry opening needed a new buck frame and anchoring into block, but the real test came when the city inspector asked for the Miami-Dade NOA number stamped on the sash. Our tech had the documentation on the truck, and the job passed the same day.

Oversized Openings
Large fixed picture windows, wide sliding glass door conversions, and floor-to-ceiling glass walls on remodeled West Miami homes need engineering calculations a standard window replacement does not. We size the unit to the wind loads in Miami-Dade’s HVHZ, spec the anchoring schedule for concrete block, and pull the permit before the first cut. You get a written quote that includes the buck framing, the anchoring, and the inspection coordination, so the invoice matches the estimate.

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 West Miami
We install and service windows from PGT, Mr-Glass, and ViewLux, among others, and we keep common parts for West Miami jobs in local stock so a trim repair or sash adjustment does not wait on a distributor truck from another county. PGT’s impact-rated arched and geometric lines are the ones we order most for West Miami’s HVHZ requirements, while Mr-Glass gives us excellent custom-color and shape flexibility for mid-century CBS homes. ViewLux rounds out the lineup for oversized openings where you want a clean sightline and serious impact ratings. If you have a custom window from one of these brands that is not closing right or showing frame corrosion from the salt air, we service it under the same standards we would install a new one.
Common Custom & Geometric Windows Problems We See in West Miami Homes
- Failed jalousie and single-pane aluminum windows from the 1950s and 60s. West Miami’s original windows were never meant to survive six decades of salt air and hurricane seasons, and many now show corroded frames, cracked glass, and broken crank mechanisms. Replacing them with NOA-rated impact units is both a code fix and the fastest way to cut Citizens Property Insurance windstorm surcharges.
- Deteriorated buck framing and corroded anchors in masonry openings. Concrete block does not rot, but the wood buck frames inside those openings do, especially after years of humidity and moisture intrusion. When we pull an old window on a West Miami CBS home, we often find anchors rusted to dust and framing that crumbles on contact.
- Contractor cross-county mistakes on NOA compliance. This is the classic West Miami failure. A contractor works mostly in Broward or Palm Beach, picks a window with Florida Product Approval but no Miami-Dade NOA, and the West Miami inspector fails the rough-in. Stop-work order, second inspection fee, angry homeowner. We have been called to fix these messes, and they are always more expensive than doing it right the first time.
- Geometric units ordered without large-missile ratings. An owner picks an arched or curved window because it looks right, then finds out the unit only carries a small-missile rating or none at all. HVHZ requires large-missile protection on nearly every opening in West Miami, and a non-compliant unit means a costly reorder and another four to six weeks of fabrication time.
Pricing for Custom & Geometric Windows in West Miami, FL
Here is what you should expect to pay in West Miami’s market. Standard impact windows run $800 to $1,500 per window installed; impact single-hung units run $900 to $1,800. Custom and geometric openings, including arched and oversized units with large-missile ratings, run $2,500 to $5,000 per opening once you factor in the custom fabrication, masonry anchoring, and buck-frame work West Miami’s CBS homes require. Whole-home packages on a typical two-bedroom concrete block house start around $8,000 and can reach $25,000 or more depending on opening count and window sizes. What moves the price here more than anything is the opening itself: a standard rectangle in wood stud framing costs less than an arched masonry opening that needs a new buck frame and anchoring into block. Floor height matters too, because upper-floor windows in a two-story home carry different design pressure requirements than ground-floor units. Call (863) 251-5864 for a free in-home measure, and you will get a written line-item quote before you decide anything.
What Custom & Geometric Windows Costs in West Miami
Let us break it down by project type so you can budget realistically. A single custom impact window in a standard West Miami opening runs $800 to $1,500 for a basic rectangular unit; a single-hung impact window runs $900 to $1,800. Large or custom openings - arched, geometric, oversized - run $2,500 to $5,000 per opening installed, because the unit is fabricated to your exact dimensions and the masonry work around it is part of the job. Whole-home packages on West Miami’s concrete block homes run $8,000 to $25,000 or more, driven mostly by the number of openings and how many are non-standard shapes. Custom fabrication typically runs four to six weeks from order to delivery, and once your units arrive, installation is usually complete in as fast as a single day per opening. The free in-home measure and written quote are always part of the deal. Call (863) 251-5864 to schedule yours.
A quick word on impact windows versus hurricane shutters, because the question comes up constantly in West Miami. Shutters are cheaper up front, but they are manual: you hang panels, you store them, you wrestle them onto the wall while the storm approaches. Impact windows are permanent protection, always in place, and they keep working every single day of the year as insulation, soundproofing, and UV protection. For a West Miami homeowner replacing 60-year-old jalousies anyway, the impact window is often the better long-term investment. We do not sell or install shutters, so this is not a pitch; it is just math.
Florida Pays You Back
West Miami homeowners have a rare stack of incentives available right now. The My Safe Florida Home program offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, including impact windows and doors, for eligible homeowners. Florida also exempts impact-resistant windows and doors from sales tax, which on a $15,000 whole-home package is real money back. The federal 25C energy credit can return up to 30% of the product cost on qualifying units, capped at $600 per year. And after a wind-mitigation inspection - which typically runs $75 to $150 - most insurers credit roughly 25% off the windstorm portion of your premium when impact glazing is installed. The exact numbers depend on your carrier, your policy, and the results of your wind mitigation form, so we never quote a guaranteed rebate. But the stack is there, and we will point you to the forms. On top of all that, Winslow runs permanent standing offers: $40 off any repair over $200, a free second opinion on any written estimate, no trip charge inside our home county, and a permanent 10% discount for seniors and veterans.
We Also Serve Cities Near West Miami
Our crews cover the neighborhoods around West Miami, including Westchester, Miami, Coral Gables, and South Miami. Each of these areas has its own housing stock and inspection quirks, but the same Miami-Dade NOA rules apply across the county. If you are just over the city line, call (863) 251-5864 and we will schedule a free measure.
Serving West Miami, FL - Our Local Coverage Area
We’re based in the West Miami 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 & Geometric Windows in West Miami
Yes. West Miami falls entirely within Miami-Dade’s High Velocity Hurricane Zone, and every replacement window and door must carry a Miami-Dade Notice of Acceptance specific to the unit’s exact make and model. A Florida Product Approval alone is not enough. In the HVHZ, even non-impact windows that serve as the exterior layer of protection must meet the local wind load requirements under the applicable code, and for any opening in a wind-borne debris region, impact protection is required. The safest rule in West Miami: if the window does not have a Miami-Dade NOA stamped on it, do not buy it. Call (863) 251-5864 if you want us to verify a unit before you order it.
Technically yes, as long as the original jalousies are not being altered, but practically it is a bad idea for two reasons. First, those original single-pane aluminum jalousies are the reason your Citizens Property Insurance windstorm premium is so high, and leaving them in place keeps that surcharge alive. Second, a custom arched impact window on the front of a West Miami home protects that one opening, but a hurricane does not care which window you upgraded. The wind finds the weak ones. We will never pressure you into replacing everything at once, but we will be honest about what the insurance and risk picture actually looks like. Call (863) 251-5864 and we can walk the house with you and prioritize.
Two reasons: masonry anchoring and NOA compliance. In a newer Broward subdivision, most openings are wood-stud framed, so installation is a straightforward nail-and-flash job. In West Miami, nearly every home is concrete block from the 1940s through 1960s, which means cutting into masonry, installing or replacing buck framing, and anchoring with block-specific fasteners. That is slower, more skilled work, and it costs more. The second reason is the Miami-Dade NOA standard itself, which is stricter than what Broward or Palm Beach requires. A product that passes Florida Building Code review but lacks a Miami-Dade NOA cannot be used here, and the compliant product lines carry a higher price. Call (863) 251-5864 for a written quote on your specific openings - estimates are free.
Yes, if it is engineered and tested for the HVHZ. A properly manufactured arched impact window from a brand like PGT or Mr-Glass carries large-missile impact ratings and design pressure ratings up to +/-100 PSF, just like a rectangular impact unit. The glass is laminated, the frame is reinforced, and the unit is tested as a complete assembly. The risk is not the shape; it is ordering an arched window from a supplier that only tested the rectangular version and assumes the arch performs the same. That assumption fails inspections in West Miami. Call (863) 251-5864 and we will verify the exact NOA for your arched opening before any money changes hands.
The inspector is doing exactly what West Miami inspectors do. If you are working with a contractor who does not have the Miami-Dade NOA document physically on site for every window model on the job, you risk a failed inspection, a stop-work order, and a second inspection fee. If you are working with us, that document is already on the truck and matched to the unit before installation starts. If you are not working with us and the inspector is asking, the contractor has already made the mistake. Call (863) 251-5864 and we can tell you whether the window on your job is even legal in West Miami.
Common Custom & Geometric Windows Problems We See in West Miami Homes
Here is the less glamorous side of what we find when we open up walls in West Miami, and it is the single biggest reason a custom window quote moves from what you expected. Homes built from 1945 to 1970 along SW 8th Street, SW 67th Avenue, and the blocks around Coral Way have been through six decades of hurricanes, humidity, and salt air. When we pull an original window, we routinely find deteriorated buck framing, rusted anchors, and masonry that needs repair before a new unit can go in. Sometimes the electrical runs are older than the homeowner realizes, and sometimes the waterproofing failed years ago and quietly rotted the framing behind the stucco. This is not a reason to panic; it is a reason to inspect first. We do a full opening inspection at measure time, write realistic allowances into the contract, and if we find something no one could have seen from the outside, you get a written change order with a price and an approval signature before we touch another stud. No surprise invoices, no stall-outs over change-order math. Call (863) 251-5864 to have a real person look at your actual walls.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving West Miami with NOA-compliant custom and geometric window installation.
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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