Geometric & Shaped Windows

Geometric & Shaped Windows in Miami Beach, FL | Winslow Windows & Doors

Geometric and shaped windows deliver architectural character that flat, rectangular glass can’t touch, and in Miami Beach they’re everywhere: the half-round transom over a South of Fifth entry door, the octagonal accent beside a Mid-Beach stairwell, the triangular gable window on a North Beach Mediterranean revival. Winslow Windows & Doors fabricates and installs these profiles in true impact-rated glass, so the architectural detail you want doesn’t weaken the wind-zone protection your home requires. We custom-fit every unit to your opening, then install it level, plumb and square per AAMA 2400/2410 practice. Want to talk through a design? Call (863) 656-0462 and we’ll walk you through it.

Call (863) 656-0462

Product Overview - Geometric & Shaped Windows

Triangular, hexagonal, octagonal and curved impact-glass configurations, custom-fabricated to your opening. That’s the whole idea: architectural detail without sacrificing wind-zone protection. Miami Beach homes lean hard on shape. Arched window over a front door on Palm Island. Half-round accent on a Venetian Causeway condo. A row of octagonal units lighting a hallway in La Gorce. These aren’t afterthoughts, they’re focal points, and they sit in the same building envelope that has to survive high-velocity hurricane conditions.

We build each unit from the same engineering platform as our PGT, CGI, CWS, ES Windows, ECO and Mr-Glass impact lines. The frame is heavy-gauge aluminum or vinyl, fabricated to the exact angle, radius or polygon you need. The glass is laminated impact glass with a PVB interlayer, so if a projectile strikes, the glass holds in the frame instead of shattering into the room. You can add Low-E insulated glass to manage heat gain on a west-facing wall, or go with clear glass on a north exposure where you want maximum light. Every configuration carries its own Miami-Dade NOA or Florida Product Approval documentation, so the permit process in Miami Beach doesn’t stall on paperwork.

Technical Specifications

• Frame materials: Aluminum or vinyl, both rated for coastal installation
• Glass options: Laminated impact glass with PVB interlayer, Low-E insulated glass, tinted glass, clear glass
• Finish options: White, almond, bronze, black, tan
• Maximum size: Custom-fabricated to order regardless of opening dimensions
• Configurations: Triangular, hexagonal, octagonal, curved, half-round, cathedral, trapezoid and other custom profiles
• Design pressure: Matched to your wind zone, up to +/-100 PSF, never higher
• Compliance: Miami-Dade NOA and Florida Product Approval numbers available per configuration; engineered to FBC High-Velocity Hurricane Zone requirements
• Installation standard: AAMA 2400/2410 practice, AAMA 812 foam perimeter sealant

Hurricane & Compliance Performance

Laminated Impact Glass

The core of every shaped unit we install is laminated glass with a PVB (polyvinyl butyral) interlayer. When debris strikes the glass, the interlayer holds the fragments in place and keeps the envelope sealed. No secondary barrier needed, no shutters to deploy after the fact. For Miami Beach homeowners, this means the shape you want and the protection you’re required to have come in a single unit.

Miami-Dade NOA / Florida Product Approval

Each shaped configuration carries its own Notice of Acceptance and Florida Product Approval documentation. These are issued per configuration, not as a blanket product family approval, so you’ll verify the specific numbers on your quote before we fabricate. That’s how Miami Beach building departments review impact glazing, and we keep it straightforward.

FBC / HVHZ Compliance

Every geometric window we build is engineered to Florida Building Code (FBC) High-Velocity Hurricane Zone (HVHZ) requirements. The HVHZ is the strictest wind-borne debris region in the country, covering Miami-Dade and Broward counties. Your Miami Beach home sits inside it, and so does every unit we quote.

TAS 201 / TAS 202 / TAS 203 Testing Context

HVHZ-rated products are tested under the TAS protocol family. TAS 201 covers large-missile impact, TAS 202 covers cyclic wind-pressure loading, and TAS 203 covers forced-entry resistance. That’s the testing context your shaped window must earn its NOA under. We only install units documented to that standard.

Design Pressure Matched to Your Wind Zone

Design pressure ratings for our shaped windows are matched to your specific wind zone, up to +/-100 PSF. We never oversell a higher rating than the opening requires. Engineering reports and structural calculations drive the number on your quote, not a catalog page.

Low-E / Insulated Glass Options

Miami Beach sun is relentless, especially on west and south exposures in Sunset Harbour and the Flamingo Park area. Low-E insulated glass cuts solar heat gain while preserving the shape’s architectural impact. Combine it with tinted glass for bedrooms or media rooms where you want real light control.

Color & Glass Options

Frame finishes for the shaped windows include white, almond, bronze, black and tan. White is the default on most Miami Beach condos and modern beach houses where a clean, bright opening reads as intentional. Almond and tan blend naturally into the stucco tones of the older Mediterranean and Spanish Colonial homes throughout the city, particularly in neighborhoods like Normandy Isle and the Bayshore golf corridor. Bronze and black frames do well on contemporary builds and any home with dark window trim, giving the shaped unit a crisp, designed edge instead of looking like an afterthought.

On the glass side, clear laminated impact glass keeps the view and light transmission at maximum. Tinted glass reduces glare and adds privacy on street-facing façades. Low-E insulated glass handles the heat, which matters when you’re putting a large half-round on an eastern wall that takes sun all morning. Mixed-glass setups are common: clear glass for the shaped accent, Low-E for the larger rectangular units around it, all matched in profile.

Installation by Winslow Windows & Doors in Miami Beach

A shaped impact window is only as good as its installation. The NOA rating assumes the unit is set correctly in a properly prepared opening, and Miami Beach wind loads leave zero margin for error. We start every job with a pre-install inspection of the rough opening, checking the framing condition, the existing flashing and the substrate we’ll be anchoring into. Then we set the window level, plumb and square. Shape makes that harder than it sounds; an octagonal unit that’s off a quarter inch shows it at every corner.

We follow AAMA 2400/2410 installation practice as our standard. The perimeter gets AAMA 812 low-expansion foam sealant to create a continuous air and water barrier without distorting the frame. Flashing details are built to shed water away from the opening, which matters on Miami Beach where wind-driven rain hits walls at pressure. After the unit is set and sealed, we run a final water test on the perimeter and clean the site before we leave.

Permitting in Miami Beach is HVHZ territory. Your building department will want to see the NOA or Florida Product Approval documentation for the exact configuration going in. We handle that paperwork as part of the quote process, so the permit applies to what’s actually installed. Improper installation compromises the entire rated system. This is the one part of the project you don’t hand to a generalist.

Frequently Asked Questions - Geometric & Shaped Windows

What wind zone / design pressure is the Geometric & Shaped Windows rated for?

Design pressure is matched to your specific wind zone, up to +/-100 PSF, and is never overstated on a quote. Miami Beach sits inside the HVHZ, so we determine the rating for your opening based on your exact location, exposure category, and building height. Call (863) 656-0462 and we’ll run the calc for your address.

What is the lead time for a custom shaped window?

Custom geometric units are fabricated to order, which means lead time typically runs several weeks from final approval and deposit, depending on the configuration and the manufacturer line the profile comes through. We give you a production schedule with your quote so you can plan the install window around it. Call (863) 656-0462 to get a timeline for your specific shape.

Does my shaped window require a Miami-Dade NOA or Florida Product Approval submittal for my permit?

Yes. In Miami Beach, your permit submittal must include the NOA or Florida Product Approval documentation for each configuration being installed. We provide the correct documentation for the exact unit we fabricate, so the permit package in your name matches the assembly on the truck.

Can I customize the size or configuration of the window?

Every shaped window we sell is custom-fabricated to your opening. The configuration is drawn to your measurements and the frame is engineered to that specific profile. You’re not picking from a set list of stock sizes. Call (863) 656-0462 to have us measure and spec the unit for your project.

How do I maintain the frame on a shaped impact window?

Clean the frame and glass with mild soap and water, avoid abrasive cleaners on the powder-coated or painted finish, and check the perimeter sealant annually. Coastal salt air in Miami Beach is aggressive on any exterior surface, so a quick rinse during the dry season keeps the finish wearing evenly. We’ll walk you through maintenance specifics at install.

Get a Quote - Geometric & Shaped Windows in Miami Beach

If you’re planning a shaped window for a new build or replacing an existing unit, let’s get numbers on the table. We’ll spec the configuration, run the design pressure for your opening, and put the NOA documentation together for your permit. Call (863) 656-0462 to schedule a free on-site measurement in Miami Beach, or to start a project conversation today.

Written by the team at Winslow Windows & Doors, serving Miami Beach, FL and the surrounding High-Velocity Hurricane Zone since day one.