Commercial Window Installation
Our systematic approach ensures your new commercial windows are installed correctly, perform optimally, and last for years.
Our Window Installation Process
We combine expert knowledge, high-quality materials, and proven techniques to deliver superior results for commercial buildings of all types.

Expert Installation and Sealing

Careful Site Preparation and Protection

Final Inspection for Performance and Finish Quality

Safe Removal and Professional Disposal of Old Units

On-Site Evaluation

Precise Measurement and Custom Ordering
Types of Commercial Windows We Install
Replacing commercial windows before they become a liability can save you money on utility bills, enhance security, and improve the overall value and comfort of your property. Consider replacement if you notice any of the following signs:
- Storefront systems ideal for retail spaces and showrooms, providing strong street visibility and a modern aesthetic.
- Office building windows designed for mid-rise and high-rise structures, including curtain walls and window wall systems.
- Aluminum frames favoured for their lightweight, corrosion resistance, and professional appearance.
- Steel frames offering exceptional strength and slim sightlines, suitable for heritage or architecturally complex buildings.
- Wood frames used selectively where aesthetics and warmth play a central role.
- Fibreglass frames chosen for their thermal performance and dimensional stability.
- Glazing options, including double and triple glazing, tempered glass, laminated glass, and Low-E coatings to enhance energy efficiency and security.
Benefits of Professional Window Installation
At Commercial Door Pros, we follow a streamlined and professional window replacement process to ensure successful projects and customer satisfaction:

Advanced Safety

Removal & Preparation

Code Compliance

Waterproofing & Leak Prevention
Expert Planning & Execution
Commercial Door Pros Installation Standards
- Use of high-performance commercial-grade materials selected for durability.
- Strict adherence to manufacturer specifications and local building codes.
- Focus on perfect sealing and waterproofing to protect the building envelope.
- Certified technicians with extensive glazing expertise and experience.
- Thorough cleanup and post-installation review to ensure client satisfaction.
Our experienced team is ready to help you save money and enhance your building’s exterior and interior with quality installations.
Book Expert Window Installation in the GTA
For expert commercial window and door solutions, contact Commercial Door Pros.
Frequently Asked Questions
How do new windows improve my building's energy efficiency?
New commercial windows with advanced glazing options and proper installation reduce heat transfer, minimize air infiltration, and block harmful sunlight, significantly lowering heating and cooling costs.
What is the typical project timeline from measurement to completion?
Project timelines vary by scope but generally include on-site evaluation, custom ordering, installation, and final inspection, typically completed within a few weeks for standard commercial projects.
Do your installations come with a warranty?
Yes, all our commercial window installations come with a comprehensive warranty covering materials and workmanship to ensure long-lasting performance and peace of mind.
Can you handle large-scale or multi-story building projects?
Absolutely. Our team has the expertise and equipment to manage complex commercial projects, including high-rise buildings and expansive curtain wall systems.
How do you minimize disruption during installation?
We plan meticulously, use protective measures, and coordinate closely with property managers and other trades to ensure a smooth installation with minimal impact on your business operations.
What types of commercial windows do you install?
We install a wide range of commercial windows, including storefront systems, curtain walls, impact-resistant windows, custom architectural glass, and sliding glass door systems.
How important is proper window sealing and waterproofing?
Proper sealing and waterproofing are essential to prevent water infiltration, protect the building envelope, enhance durability, and maintain energy efficiency.
What materials do you use for window frames?
We use high-quality materials such as aluminum, steel, wood, and fiberglass frames, selected based on project requirements for strength, durability, and aesthetic appeal.
How do you ensure compliance with building codes?
Our certified technicians follow strict adherence to manufacturer specifications and local building codes, ensuring each installation meets safety, energy efficiency, and warranty standards.
Can you provide maintenance and repair services after installation?
Yes, we offer ongoing maintenance and repair services to keep your commercial windows performing at their best throughout their lifespan.

