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Your Trusted Partner for Construction Solutions
National Contract Glazing is a leader in the design, manufacturing, and installation of curtain walls, windows, skylights, glass partitions, and aluminum glazing solutions. With a team of over 120 experts in planning, design, engineering, and project management, we deliver innovative, high-quality products tailored to client needs. Our commitment to collaboration and cutting-edge technology ensures projects are completed efficiently and to the highest standards. Founded in eastern Canada, we serve Ontario and Quebec, offering end-to-end support from concept to installation.

Our associated companies, National Construction Panelization and National Contract Masonry, expand our capabilities to provide comprehensive solutions for commercial and institutional buildings. We prioritize durability, energy efficiency, and aesthetic excellence, ensuring long-term value for every project. Clients benefit from personalized service, whether for small renovations or large-scale developments. Our expertise in building science and partnerships with external manufacturers enable us to meet diverse architectural challenges with precision and reliability.
Services
Curtain Walls Skylights Aluminum Glazing Masonry Services Prefabricated Siding Window Walls Punch Windows Glass Partitions Strip Windows Architectural Aluminum Panels
Highlights and features
  • We have over 120 experts in glass and aluminum construction.
  • We offer end-to-end project management from design to installation.
  • We use cutting-edge technology for precision manufacturing.
  • We operate across Ontario and Quebec with local expertise.
  • We provide energy-efficient and durable building envelope solutions.
Services
Curtain Walls
Our curtain wall systems provide architectural finishing for commercial buildings, combining aesthetic appeal with structural integrity. Designed for energy efficiency and durability, they are ideal for high-rise projects. Our team ensures precise installation tailored to project specifications.
Aluminum Glazing
We offer custom aluminum glazing solutions, including doors, windows, and partitions. These systems enhance natural light while maintaining thermal performance. Our products are engineered for both residential and commercial applications with seamless integration.
Masonry Services
Our masonry division specializes in concrete blocks, brick, and stone installations for durable, weather-resistant structures. Services include new construction, renovations, and restorations, ensuring long-lasting results for institutional and commercial buildings.
Prefabricated Siding
Prefabricated insulated panels combine insulation and siding for rapid installation and energy efficiency. Ideal for commercial buildings, they reduce construction time and improve thermal performance while offering customizable design options.
Skylights
Our skylights feature internal drainage systems and energy-efficient designs. Available in self-supported or structural grid-mounted options, they maximize natural light and enhance building aesthetics with reliable weatherproofing.
People
Jean-Claude Coelho
President
Jean-Claude Coelho leads National Contract Glazing with extensive experience in commercial construction and building science. He drives innovation and client-focused solutions, ensuring the company's growth and technical excellence in eastern Canada.
Questions
What services does National Contract Glazing offer?
We specialize in curtain walls, windows, skylights, aluminum glazing, masonry, and prefabricated siding for commercial and institutional projects.
Do you operate outside Ontario?
Yes, we serve both Ontario and Quebec with localized expertise and project support.
Can you handle large-scale projects?
Our team manages projects of all sizes, from small renovations to multi-storey developments, with dedicated project management.
What makes NCG different from competitors?
We combine cutting-edge technology, energy-efficient solutions, and end-to-end service from design to installation for tailored results.
Do you offer energy-efficient solutions?
Yes, our products integrate building science principles to enhance energy performance and sustainability for long-term savings.