Aluminum Windows
Thermally broken fixed, casement, awning and sliding configurations with high-performance insulated glass for mid-rise and high-rise buildings.
Explore Windows
Featured Project 10 & 16 Concord Pl
Grimsby, ON
Featured Project 32 & 40 Towering Heights Blvd
St. Catharines, ON
Featured Project 34 Norman St
Brantford, ON
Canadian Manufacturer & Installer
Commercial Aluminum Windows, Doors & Curtain Wall Systems Built for Performance
Norstar Windows & Doors Ltd. is one of Canada's leading manufacturers and installers of high-performance, energy-efficient aluminum windows, doors, railings, curtain walls and entrance systems.
From our facility in Stoney Creek, Ontario, we partner with developers, general contractors, architects and property managers on commercial, institutional and multi-residential buildings. Because we engineer, fabricate and install under one roof, project teams get a single point of accountability, from shop drawings to final site inspection.
- In-house fabrication & quality control
- Factory-trained installation crews
- New construction & occupied retrofit
- Energy-efficient, thermally broken systems
Industry Memberships & Associations
Active participation in recognized construction and fenestration organizations keeps our teams aligned with current codes and best practices.
Product Systems
Aluminum Building Envelope Systems We Manufacture
Each system is selected and detailed for the building type, exposure and performance targets of your project, then fabricated and installed by our own team.
Commercial Doors
Swing, sliding and balcony doors engineered for heavy traffic, weather resistance and smooth long-term operation.
Explore DoorsAluminum Railings
Picket and glass balcony railings for multi-residential towers, finished to resist corrosion and coordinated with window and door packages.
Explore RailingsCurtain Walls
Stick-built and unitized-style aluminum curtain wall for commercial and institutional façades that demand light, durability and design flexibility.
Explore Curtain WallsEntrances & Framing
Storefront framing and commercial entrance systems that create durable, welcoming ground-floor frontages for retail and mixed-use buildings.
Explore Entrances Project Experience
Proven on New Construction and Retrofit Projects
Our portfolio spans new multi-residential towers, commercial buildings and complex retrofits of occupied properties. Every project informs how we detail, sequence and install the next one.
New Construction
Early design-assist, coordinated shop drawings and floor-by-floor installation schedules that keep the building envelope on track with the structure.
View New ConstructionRetrofit
Window and door replacement for occupied apartment and commercial buildings, planned to limit disruption while improving comfort and energy performance.
View Retrofit ProjectsOngoing Projects
See the buildings our engineering, fabrication and installation teams are delivering right now across Ontario and beyond.
View Ongoing Projects See It Firsthand
Virtual Workplace Experience: Inside Our Facility
Join Nicholas Vacca on a guided tour of Norstar Windows & Doors, a leader in manufacturing and installation for commercial construction projects across Canada.
The tour shows how aluminum profiles move from cutting and machining to assembly, glazing and final inspection, and how our people work together to deliver building envelope systems that perform on site for decades.
Single-Source Delivery
From Shop Drawings to Site Installation
Keeping design, manufacturing and installation in one organization reduces hand-off risk, shortens response times and gives owners one accountable partner.
Design-Assist
Review of drawings, specifications and performance targets with the project team.
Engineering
System selection, shop drawings and interface details for air, water and structural performance.
Fabrication
Controlled in-house manufacturing and glazing with quality checks at each stage.
Installation
Experienced crews install in sequence with the site schedule and other trades.
Close-Out & Service
Deficiency review, documentation hand-over and ongoing after-sales support.
Buyer's Guide
Specification Checklist for Commercial Aluminum Fenestration
Procurement teams comparing suppliers often focus on price per opening. Experienced buyers also confirm the factors below, because they decide long-term energy cost, durability and warranty risk.
| Criterion | What to Confirm | Why It Matters |
|---|---|---|
| Thermal Performance | Thermal break design, overall U-factor and condensation resistance for the climate zone. | Cold Canadian winters expose weak frames quickly through condensation, drafts and high heating loads. |
| Air, Water & Structural | Tested performance grade and design pressure suited to building height and exposure. | Upper floors of mid- and high-rise buildings face much higher wind and rain loads than ground level. |
| Glazing Make-Up | Low-E coatings, gas fill, warm-edge spacers, and laminated or tempered glass where required. | Glass is the largest surface area, driving solar heat gain, acoustics, safety and comfort. |
| Finish | Paint or anodized finish specification, colour consistency and coastal or industrial exposure needs. | The finish protects aluminum and defines how the façade looks after years of weathering. |
| Installation Interfaces | Sill, head and jamb details, and tie-in to air/vapour barriers and adjacent cladding. | Most leaks occur at the interface between systems, not through the product itself. |
| Documentation | Shop drawings, test reports, product data, maintenance guidance and written warranties. | Complete documentation simplifies approvals, inspections and future maintenance. |
Tip: Ask whether the supplier also installs. When one company manufactures and installs, responsibility for interface details and warranty claims is clear.
FAQ
Frequently Asked Questions
What does Norstar Windows & Doors manufacture?
We manufacture and install high-performance aluminum windows, commercial doors, aluminum railings, curtain wall systems, and storefront entrances and framing for commercial, institutional and multi-residential buildings.
Does Norstar both manufacture and install its systems?
Yes. We coordinate shop drawings, fabrication and site installation as a single-source partner, so one team is accountable for product performance and workmanship.
Can Norstar handle retrofit window replacement in occupied buildings?
Yes. Retrofit is a core part of our portfolio. Work is sequenced suite-by-suite or elevation-by-elevation to limit disruption to residents and tenants while upgrading thermal and acoustic performance.
Where is Norstar located and which projects does it serve?
We are headquartered at 400 McNeilly Rd., Stoney Creek, Ontario, Canada, and support commercial construction projects across Canada. Developers, contractors and procurement teams from other regions are welcome to contact us to discuss their requirements.
What should buyers confirm when specifying commercial aluminum windows?
Confirm thermal performance, air, water and structural ratings, glazing make-up, finish specification, installation interface details and the full documentation package, including shop drawings, test reports and warranties.
Planning a Commercial or Multi-Residential Project?
Talk to our project team about system selection, performance requirements and schedules. We aim to exceed your expectations with quality products and exceptional service.