Architectural Character, Endless Possibilities
Add distinctive character with arches, circles, trapezoids, and more. These fixed units pair beautifully with operable windows for ventilation and create stunning architectural focal points.
Professional Consultation Required
Custom shapes require precise measurements and templating. Book a free in-home consultation to discuss your architectural vision and get accurate pricing.
Why Choose Custom Shape Windows
Unique Shapes
Arches, circles, trapezoids, triangles, gothic points, eyebrows, and more to match any architectural style.
Design Flexibility
Extensive color, grille, and glass options to coordinate perfectly with your existing windows and home design.
Fixed Performance
As non-operable units, custom shapes offer superior air-tightness and thermal performance with no moving parts.
Best For
Feature walls, transoms, and accent windows that make a statement
Gable ends, peaked rooflines, and angled architectural features
Pairing with casement or awning windows for combined style and ventilation
Standard Features on All Custom Shape Windows
- White Color - Standard white finish included
- Double-Glazed Unit - Sealed unit with Argon gas
- LowE² Glazing - Two coats of LowE (LoĒ²-272)
- Multi-Chamber Frame - High rigidity and thermal insulation
- Fusion-Welded Corners - Superior strength and clean look
- Internal Glazing - Glass installed from inside for security
- Custom Sizing - Made to your exact specifications
- Jamb Extensions - Vinyl jamb extensions included
- Matching Profiles - Sightlines match our operable windows
- Certified - NFRC and ENERGY STAR Certified
Shapes We Support
Arches & Half-Rounds
Classic curved tops for elegant entryways and transoms above doors or windows.
Circles & Ovals
Perfect for accent features, gables, and creating unique focal points.
Triangles & Trapezoids
Ideal for gable ends, peaked rooflines, angled walls, and modern designs.
Why These Features Matter
Superior Efficiency
Fixed construction means no gaps for air infiltration, delivering the best possible thermal performance for any window shape.
Design Cohesion
Our custom shapes use the same frame profiles and finishes as our standard windows, ensuring a seamless look throughout your home.
Precision Fit
Each window is manufactured to your exact specifications using templates when needed, ensuring a perfect fit in any opening.
Glass Options
Cardinal Glass
Industry-leading Cardinal LoE-180, LoE-272, and LoE-366 glass options where shape permits
Gas Fills
Argon gas standard; Krypton available for maximum efficiency
Decorative Grilles
Between-the-glass or applied grilles to match your home's style
Color Options
Standard white is included, but we also offer a wide range of Gentek® and Kaycan® standard paint colours to match your home's exterior.
View Standard ColorsTechnical Specifications
| Feature | Specification |
|---|---|
| Frame Depth | 3 1/4" (Standard) or 4 5/8" (with Brickmould) |
| Operation | Fixed (non-operable) |
| Glazing | Double (7/8") or Triple where available |
| U-Factor | Varies by shape and glazing package |
| Air Infiltration | Fixed (Best Rating) |
| Shapes Available | Arch, Circle, Triangle, Trapezoid, Gothic, Eyebrow |
| Sizing | Custom within manufacturing limits |
Frequently Asked Questions
Can custom shapes be triple-pane?
Sometimes - availability depends on size and shape. Certain complex curves may limit triple-pane options. We'll confirm what's available during your consultation.
Can I match colors and grilles to my other windows?
Absolutely! We coordinate colors, grilles, and finishes across all window families to ensure a cohesive look throughout your home.
Do custom shapes cost more than standard windows?
Yes, custom shapes typically have higher manufacturing costs due to specialized tooling and fabrication. We'll provide transparent pricing in your quote.
Can custom shapes open for ventilation?
Most custom shapes are fixed for optimal performance and structural integrity. We recommend pairing them with operable casement or awning windows for ventilation.
Brochures & Technical PDFs
Download detailed product information, installation guides, and specifications.
Vinyl Pro Windows
Premium vinyl windows designed for durability and style.
Vinylbilt Windows
Energy-efficient windows with superior performance.
Ready to Create Your
Custom Architectural Design?
Custom shapes require professional consultation and precise measurements. Book a free visit to discuss your architectural vision.