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Key Suppliers

With the most significant purchasing power of insulated metal panels in Canada, TDI has been afforded the opportunity to build great relationships with all the major panel manufacturers, including Kingspan, Metl-Span and Vicwest.

Globally maintaining an excellent knowledge base and rapport with our suppliers, we are able to offer individualized solutions to the varied and particular needs of our customers. Our customers recognize that we can assist with material selections and deliver on schedule and price from start to finish.

Insulated Metal Panels

The Kingspan Group was founded in 1972 as a small family business in the Republic of Ireland. The Group was initially involved in manufacturing metal cladding and roll-formed structural sections.

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During the early 80s and 90s, the Group expanded into manufacturing insulated panels and insulation products, and established manufacturing plants in the U.K., Ireland and throughout Europe.

Metl-Span is a dynamic industry innovator dedicated to manufacturing and marketing the highest quality insulated building panel products.

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Since our origination in 1968, we have been pioneers in research, design, production and sales of state-of-the-art insulated metal panels and building materials serving the commercial, industrial and cold storage industries.

Founded in 1905 and headquartered in Oakville, Ontario, Vicwest is a leading supplier of quality exterior building products for all segments of the construction industry across North America.

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CENTRIA has been leading the way with high performance, highly aesthetic architectural systems and building envelopes for over 100 years. Our comprehensive line of exterior metal building products and services help give a dramatic edge to some of the world’s finest commercial, institutional and industrial buildings. We continue to be on the cutting edge of architectural system building technology with our advanced thermal and moisture protection technology.

Optimize natural light with our UniQuad® translucent wall panels.

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Our two-panel UniQuad® translucent wall system has become the benchmark for what’s possible when imagination meets innovation, enabling architects to achieve the highest levels of building performance without compromising on the aesthetic qualities of their designs.

We have worked tirelessly to develop the most versatile daylighting system on the market, which can be the showcase feature of the design rather than just a utility product.


Rytec Corporation is the nation’s leading manufacturer of high-performance doors for industrial, commercial and cold-storage environments.

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Unlike other companies in our industry, doors aren’t a side line for Rytec. They’re our only business, period. This focus is the reason there are 100,000 Rytec doors in operation today.

Global Insulated Doors is a premier manufacturer of cold storage insulated doors.

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With humble beginnings in 1997, Global Insulated Doors has developed from a minimal manufacturing facility to and industry leader in quality and innovation.

Senneca Holdings is a diversified management and holding company whose companies are focused on the specialty door industry.

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Senneca oversees the operations of its companies, allocates resources among them, and helps to improve the performance of its operations. Senneca seeks out acquisition opportunities that strengthen our position in a business segment as well as companies that will diversify our portfolio of specialty doors.

Senneca combines global scale with operational agility to lead the markets we serve. Recognized for our entrepreneurial approach for over 30 years, our Team of employees worldwide takes pride to provide customers with the best specialty doors to meet your needs.