Geometric & Shaped Windows

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

Geometric and shaped windows are the architectural statement pieces of Florida homes: half-rounds over a front entry, octagonal portals in a stairwell, triangular transoms capturing morning light. But in Miami Beach, a shaped window is only as good as its impact rating. TruePane Windows & Doors custom-fabricates triangular, hexagonal, octagonal, and curved impact-glass configurations that hold their shape, their seal, and their NOA rating under hurricane wind loads. We install these windows across Miami Beach, from North Beach mid-century homes to South of Fifth condos. Call (386) 406-9359 to talk through your opening.

Call (386) 406-9359

Product Overview - Geometric & Shaped Windows

Shaped windows do more work than standard rectangles. They carry glass into corners, angles, and arcs where wind pressure concentrates differently than on a flat, square sash. That’s why a shaped impact window cannot simply be a standard unit bent into a frame. The glass must be cut to the exact geometry of the opening, the frame extruded or fabricated to match, and the lamination layer engineered so the pane stays anchored in the frame under cyclic loading.

Our Geometric & Shaped Windows line covers triangular, hexagonal, octagonal, trapezoidal, and curved (radius) configurations, custom-fabricated to your opening’s measurements. Every unit is built with the same impact discipline as our standard window lines: laminated glass, structural frame corners, and glazing methods that do not depend on a rectangular geometry to hold. In Miami Beach, where a half-round window can sit directly in a windward elevation above a front door, that geometry-specific engineering matters. TruePane Windows & Doors works with openings in Art Deco apartments, Mediterranean Revival villas, and modern concrete-box homes, matching the shape while keeping the wind-zone protection intact.

These windows are not an off-the-shelf product you order by stock number. We measure the rough opening, confirm the wall’s construction and the wind zone, and fabricate each unit to that specific job. That’s the only way a shaped opening gets a shaped impact window that actually passes inspection.

Need a custom shape? Call (386) 406-9359 with your rough opening dimensions and we’ll tell you what’s possible.

Technical Specifications

• Frame materials: Aluminum or vinyl, selected per configuration and exposure
• Maximum size: Custom fabricated to order, no stock size limits
• Glass options: Laminated impact glass with PVB interlayer, Low-E insulated glass, tinted glass, clear glass
• Finish options: White, almond, bronze, black, tan
• Design pressure: Matched to your Miami Beach wind zone, up to +/-100, never higher
• Compliance: Miami-Dade NOA and Florida Product Approval numbers issued per configuration; engineered to FBC HVHZ requirements

Because every shaped window is fabricated to the opening, there is no standard size chart. What you get instead is a window built to the exact geometry of your wall, with the glazing package and frame finish you specify.

Hurricane & Compliance Performance

Laminated Impact Glass (PVB Interlayer)
The impact layer is a polyvinyl butyral (PVB) membrane bonded between two panes of glass. When debris strikes, the glass may crack but the PVB holds the fragments in place. For a shaped window, this interlayer also stabilizes the pane across its non-rectangular edges, keeping the glass anchored in the frame where stress concentrates at corners and curves.

Miami-Dade NOA / Florida Product Approval
Each configuration carries its own Notice of Acceptance and Florida Product Approval number. That means the specific geometry you’re buying has been evaluated, not just a generic rectangular sibling in the product family. We’ll verify the NOA and FL Product Approval for your configuration on your written quote, and we provide the submittal package your Miami Beach permit application requires.

Florida Building Code HVHZ Compliance
These windows are engineered to Florida Building Code High-Velocity Hurricane Zone requirements. Miami Beach sits fully inside the HVHZ, so anything we install must satisfy that standard. There is no shortcut version for shaped windows. If the shape can’t meet HVHZ, we’ll tell you before you spend a dollar.

TAS 201 / TAS 202 / TAS 203 Testing Context
HVHZ-rated impact products are tested under the TAS protocol family: TAS 201 for large-missile impact, TAS 202 for cyclic wind-pressure loading, and TAS 203 for forced-entry resistance. These aren’t marketing badges. They’re the test sequences that determine whether a shaped window survives both the debris hit and the pressure cycles that follow.

Design Pressure Matched to Your Wind Zone
We match design pressure to your specific wind zone, up to +/-100, never higher. Specifying a higher design pressure than your location requires adds cost without adding protection. A window rated beyond its zone isn’t better, it’s overbuilt. We calculate the right DP for the opening’s exposure and elevation in Miami Beach and fabricate to that number.

Energy Performance Options
Low-E and insulated glass packages are available on qualifying shaped configurations. A half-round over a south-facing entry in Miami Beach collects intense afternoon sun. Low-E glass cuts solar gain while still meeting the impact requirement. Insulated glass adds thermal separation for air-conditioned spaces where the window faces direct coastal sun.

Color & Glass Options

Miami Beach architecture leans white, coral, and sand tones, with black accents on modern builds. Our finish options cover that range: white and almond suit the classic Miami Beach coastal and Mediterranean look, bronze and tan read warm on older stucco, and black frames work on contemporary single-family homes in the Sunset Islands and La Gorce. We’ll match the finish to the rest of your window package so the shaped unit doesn’t stand alone as an oddity.

Glass selection comes down to sun, privacy, and impact. Laminated impact glass with a PVB interlayer is the core hurricane package. Clear laminated glass is the default where views matter and sun is moderate. Tinted glass suits west-facing portholes and transoms where glare and heat load are constant. Low-E insulated glass is the choice when the shaped window sits in an air-conditioned space with heavy sun exposure, like a stairwell tower window that bakes all afternoon. Any glass package can be built into the custom shape you need.

Installation by TruePane Windows & Doors in Miami Beach

Shaped windows fail more often from installation errors than from product defects. The NOA rating assumes proper perimeter anchoring, flashing, and sealant. If the window is installed out of square or the rough opening isn’t flashed so water drains away from the frame, the wind rating is meaningless. That’s why TruePane Windows & Doors handles every shaped window installation ourselves, with our own crew, using the same process on every Miami Beach job.

We start with a pre-install inspection of the rough opening: actual dimensions at multiple points, wall construction, condition of the surrounding substrate, and water drainage patterns. Then the window is set level, plumb, and square before anchoring, regardless of how irregular the opening looked when we arrived. The perimeter is sealed with AAMA 812 low-expansion foam, followed by flashing and exterior sealant that directs water down and away. Our installation practice follows AAMA 2400/2410 standards for window installation.

We’re familiar with Miami Beach permitting: HVHZ submittal requirements, NOA documentation, and inspection sequencing. We’ll provide the product approvals your permit package needs and we’ll coordinate inspection dates with the building department. After the window is set and sealed, we run a final water test on the installation and walk the site for debris and cleanup.

A shaped impact window in coastal Miami Beach has to handle salt air, wind-driven rain, and UV exposure on top of the structural demands. An incomplete perimeter seal is a slow leak. An unlevel frame is a binding sash within three seasons. Professional installation is not optional for these products, and we treat it that way.

Frequently Asked Questions - Geometric & Shaped Windows

What wind zone / design pressure is the Geometric & Shaped Windows rated for?
Design pressures are matched to your specific Miami Beach wind zone, up to +/-100, never higher. The exact DP for your opening depends on the shape, size, elevation, and exposure. On your quote, we’ll show the design pressure calculation for that configuration. Call (386) 406-9359 for a precise number on your opening.

What is the lead time?
Most shaped window orders in Miami Beach take three to five weeks from approved drawings to delivery in our shop, depending on the configuration and glass package. Simpler triangular or trapezoidal units run faster; radius and multi-segment curves take longer. We’ll give you a production schedule when you approve the quote.

Does it require a Miami-Dade NOA or Florida Product Approval submittal for my permit?
Yes. Miami Beach building permits for impact windows require the NOA and Florida Product Approval documentation specific to the product being installed. We provide the complete submittal package for your configuration, and we include it with your written quote.

Can I customize the size or configuration?
Yes. Every shaped window is custom fabricated to your opening. That includes the exact dimensions, the number of segments in a curved unit, the frame material, the glass package, and the finish color. There is no standard catalog size you have to work around. Call (386) 406-9359 with your rough opening dimensions and we’ll quote the exact configuration.

How do I maintain the frame?
Rinse the frame and glass with fresh water every few months to clear salt accumulation, especially on east-facing openings in Miami Beach. Wipe the weatherstrip and track areas with a damp cloth, and keep the weep holes at the bottom of the frame clear so drainage works. Avoid pressure washing directly at the frame joints. If you notice haze in the glass or stiffness in the frame, call us before a small issue becomes an opening that fails inspection.

Get a Quote - Geometric & Shaped Windows in Miami Beach

A shaped opening deserves a window that fits the architecture and the wind code. Whether you’re building new or replacing failed units, TruePane Windows & Doors will measure, fabricate, and install your geometric windows to the same standard we’d use on our own homes. Call (386) 406-9359 to schedule a free on-site measurement and get a written line-item quote for your shape, your glass, and your finish.

Written by the team at TruePane Windows & Doors, serving Miami Beach and coastal South Florida.