Designed for precision and performance, TotalSeal™ casement windows open wide for maximum airflow and year-round comfort.
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Features
Casement windows are side-hinged and open outward like a door, operated by an easy-to-turn crank handle. This design allows for full top-to-bottom ventilation and clear, unobstructed views. Casement windows are ideal for kitchens, bathrooms, and any room where fresh air and maximum airflow matter most.
Advantages & Ideal Use
Casement windows combine engineering precision with everyday practicality. They open fully for maximum airflow, seal tightly for superior energy efficiency, and offer clear, unobstructed views — making them one of the most versatile window types for Canadian homes.
Windows | |
|---|---|
Advantage | Benefit |
Maximum Ventilation | Opens outward to let in more fresh air — ideal for kitchens and bathrooms. |
Airtight Seal | Compression system prevents drafts and improves energy performance. |
Easy Operation | Crank handle allows smooth opening even in hard-to-reach spots. |
Clear View | No center bar — just open sightlines and natural light. |
Versatile Pairing | Pairs perfectly with picture or fixed windows for panoramic designs. |
Not sure which style fits best?
Talk to a TotalSeal specialist and find your perfect match.
Design Options
Fully customizable windows to match your home’s design and performance needs.
Choose from a wide palette of exterior and interior finishes to perfectly match your home’s design.
Add classic or modern grid styles — from colonial to prairie layouts — for a distinctive look.
Select from clear, tinted, or privacy glass to balance light, visibility, and comfort.
Pick from sleek modern handles to traditional cranks in multiple finishes for a polished touch.
Customize frame profiles and trims to ensure a seamless fit with your home’s exterior.
Upgrade to double or triple glazing with argon gas and Low-E coatings for maximum efficiency.
Behind every TotalSeal™ window is advanced engineering that redefines how vinyl systems perform — stronger, quieter, and more energy-efficient by design.
Products
Three exclusive lines designed for performance, aesthetics, and efficiency.
Proven 3¼” frame depth, ideal for retrofit and replacement projects.
Modern minimalist design with ultra-thin frames and maximum glass.
Discuss your project with one of our experts and receive a personalized quote.
Everything you need to know to start your project.
Casement windows are an excellent upgrade for homeowners seeking better ventilation, higher insulation, and modern design. They open outward using a side hinge, allowing maximum airflow — ideal for homes where sliding windows fail to ventilate effectively.
Casement windows are perfect for:
TotalSeal’s casement replacements combine multi-point locks and fusion-welded frames for maximum energy savings and all-season comfort.
Professional installation ensures perfect sealing across the entire perimeter, eliminating air leaks and thermal bridges.
Comparison Table: Standard vs TotalSeal Casement Installation
Feature | Standard Installation | TotalSeal Professional Installation |
Perimeter Sealing | Basic foam or caulk | Double-layer compression + thermal foam |
Locking System | Single-point latch | Multi-point locking around full frame |
Frame Alignment | Manual leveling | Laser-guided precision fit |
Heat Retention (U-value) | 1.9–2.2 W/m²K | 1.2–1.5 W/m²K (tested) |
By sealing every joint and using insulated frames, TotalSeal installs casement windows that significantly improve heating efficiency and indoor comfort.
Casement windows stand out for their energy performance, air control, and modern usability.
Comparison Table: Casement vs Sliding vs Hung Windows
Feature | Casement Window | Sliding Window | Single/Double Hung Window |
Ventilation Control | Excellent – full opening area | Moderate – half opening | Moderate |
Energy Efficiency | High (airtight seal) | Medium | Medium |
Ease of Cleaning | Very easy (swings outward) | Easy (tracks need cleaning) | Tilt-in for cleaning |
Security Level | High (multi-locking system) | Medium | Low–medium |
Average Price (Toronto) | $390 – $950 | $260 – $790 | $270 – $850 |
Casement windows are the most energy-efficient operable style available, outperforming sliders and hung units in both insulation and security.
Modern casement windows feature advanced hardware that improves both convenience and safety.
Key components include:
At TotalSeal, all mechanisms are factory-installed and corrosion-resistant, ensuring years of flawless use.
Replacing casement windows involves several precise steps to guarantee insulation and perfect operation.
Process overview:
This comprehensive service guarantees that each casement window is optimized for performance and longevity.
The difference lies in the precision of manufacturing and quality of materials.
Comparison Table: TotalSeal Factory-Built vs Typical Contractor Windows
Feature | Contractor-Assembled Unit | TotalSeal Factory System |
Frame Construction | Screwed or corner-joined | Fusion-welded seamless corners |
Seal System | Visible rubber gaskets | Hidden compression seals |
Internal Chambers | 2–3 | 5–7 multi-chamber insulation zones |
Spacer Type | Aluminum spacer | Warm-edge hybrid spacer |
Quality Control | Manual inspection | Automated factory testing |
Factory precision ensures perfect geometry and energy performance — far superior to on-site assembly methods.
Toronto’s temperature swings require durable materials that resist deformation and retain heat.
Data Table: Recommended Frame and Glazing Options
Component | Recommended Option | Benefit |
Frame Material | uPVC multi-chamber (fusion-welded) | Excellent insulation, no warping |
Reinforcement | Steel inserts (large units) | Stability and load support |
Glass Type | Double or triple Low-E + Argon | 25–35% better energy retention |
Coating | LoĒ-366 or i89 reflective layer | Reflects interior heat, reduces glare |
Spacer System | TotalSeal warm-edge hybrid spacer | Reduces condensation, increases life |
These configurations provide optimal comfort for the GTA’s cold winters and humid summers.
Casement windows are low-maintenance, but periodic care ensures lasting performance.
Maintenance tips:
With these simple steps, TotalSeal casement windows will remain airtight, secure, and effortless to operate for decades.
TotalSeal UltraSlim Series
Revolutionary vinyl windows with sleek aluminum aesthetics. Ultra-slim 2 7/8" profile, advanced multipoint security, and superior energy efficiency for Canadian homes.
Message from Anna Klein,
Chief Operating Officer
At TotalSeal, we manufacture every window in our 60,000-square-foot facility using German automation and premium components from Cardinal Glass and Roto hardware. Our certified installation teams deliver the same precision across Toronto and the GTA, backed by our direct manufacturer guarantee.
Schedule an in-home estimate with one of our experts.
By submitting this form, you agree to our Terms and Conditions.
Proudly serving homeowners across the GTA and Southern Ontario.
By submitting this form, you agree to our Terms and Conditions.
By submitting this form, you agree to our Terms and Conditions.
