The Tower Retrofit Symposium is made possible by the generous contributions from our sponsors. We are proud to be partnering with these incredible organizations and appreciate the support they are providing to make this Symposium possible. Thank you to all of our sponsors!

Gold Sponsors

Cascadia Windows & Doors is an innovative, industry leading manufacturer, creating beautifully designed architectural fiberglass windows, doors and cladding support systems. Included in some of the most exciting and award-winning construction projects across North America, Cascadia’s goal is to help revolutionize the energy-efficiency of modern buildings and drive the adoption of high-performance building products.

From residential Passive House projects to commercial and multi-family buildings, Cascadia’s fiberglass windows and doors offer unparalleled thermal and structural performance compared to traditional vinyl and aluminum. This increased performance allows architects and specifiers to easily reduce building costs and dramatically improve a building’s overall energy performance, all while delivering an engaging, highly livable space.

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SIGA is a leader in the development and production of high-performance adhesive tapes and membranes for air- and weather-tight building envelopes. SIGA’s vision is a world with zero-energy loss buildings. Today, approximately 50% of the world’s energy requirements are consumed by heating and cooling systems. With SIGA’s innovative products, this energy requirement can be massively reduced. SIGA operates in 44 countries and employs over 500 people working together to shape the future of the building industry.

Find more information about SIGA’s innovative approach to air and weather-tight construction at

Silver Sponsors

For more than 40 years, this Canadian family owned business has been a leading manufacturer of top quality products in the field of Exterior Insulation Finish Systems (EIFS), and Specialty Coatings for floors and walls. The company’s broad range of products and wall systems are subjected to extensive research and rigorous testing to ensure that they meet Canadian Building Code requirements. The company’s new, state-of-the art facility in Woodbridge, the largest of its kind in the industry, has a busy R & D department which develops innovative new products that keep DuROCK on the cutting edge of technology. DuROCK Exterior Insulation Finish Systems are recognized for maximizing energy efficiency and reducing moisture penetration. These systems are virtually maintenance free and are very cost competitive. It is the flexibility of colour, shape, texture and dimension that has stimulated architects, and designers to create new and exciting modern designs.

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ROCKWOOL is North America’s leading manufacturer of stone wool insulation. We offer a full range of high-performing and sustainable insulation products for the construction industry. We are committed to empowering everyone to rise to the development challenges of modern living. By using stone, one of the world’s most abundant natural resources, you can make a lasting impact across generations. From classrooms to stadiums, land to landmarks, people need spaces not only to dream big but to act on those dreams, making the world a better place for everyone.

Visit the ROCKWOOL website.

Bronze Sponsors

If you are interested in learning more about sponsorship opportunities at the Tower Retrofit Symposium 2021 for your company, please contact Hweely Lim, [email protected]