VANCOUVER, BC, December 7, 2021 / PRNewswire / – In an important step in advancing an award-winning design concept as a winner of Fast Company’s “Ideas That Change the World in 2021” in architecture earlier this year, DIALOG officially filed a patent today for its Hybrid Wood Flooring System (HTFS). Once approved, the system could lead to the introduction of solid timber structural solutions in the very tall tower category, significantly reducing the environmental impact of high-rise building development in high-density urban areas.

The patents were filed by the international design office in Canada, United States, the European Union, Australia and China.

The Hybrid Wood Flooring System (HTFS) combines cross-laminated wood panels with steel and concrete to build high-rise towers with a dramatically reduced carbon footprint. When integrated with other smart building technologies, such as photovoltaic panels, algae bioreactors or other renewable energy solutions, towers as tall as 105 stories could achieve carbon neutrality.

“Floor plates typically make up about 70% of the construction material used in high-rise towers. By focusing our talents and resources on creating more innovative floor plate solutions like this, we believe we can significantly reduce the environmental footprint of the built environment in the not-so-distant future, “ noted Craig applegath, AIA, founding partner of DIALOG and one of the main leaders of the project.

With post-tensioned steel cables wrapped in concrete strips and embedded in cross-laminated timber (CLT) panels, DIALOG’s HTFS will allow a post-less reach of 40 feet (or 12 meters), where systems standard CLT designs currently cover only three-quarters of that distance. Thanks to the new combination of these materials and its unique characteristics, the HTFS could be deployed in buildings around the world, at spectacular heights.

“This HTFS will maximize the use of sustainably harvested wood in high-rise buildings in the most economical, energy efficient and stylish way. In doing so, the design will also give occupants access to wood. durable natural wood, beautiful and exposed in their spaces, “ noted Thomas wu, structural engineer and partner of DIALOG.

In addition to the Fast Company award, details of the hybrid flooring system were recently published in a leading industry research paper by the Council on Tall Buildings and Urban Habitats, a preview of which can be found here.

Once the patents are approved, the structural system will then require localized approvals to coincide with area code requirements for fire, human health and safety. Pending patent approval, DIALOG is working in partnership with a global construction company EllisDon to develop panels to scale for in-depth structural testing.

The hybrid panel presents a unique value proposition enabling carbon sustainability, the possibility of offsite prefabrication and the long span exposed ceilings desired by many commercial tenants, ” said Mark Gaglione, PE, director of building and materials science at EllisDon, “We are delighted to be working with DIALOG to help make this concept idea a reality as quickly as possible”

DIALOG is a multidisciplinary design firm comprising architects, urban planners, interior designers, structural, mechanical and electrical engineers and landscape architects. From four studios to Canada and one in the United States, DIALOG designs solutions for the arts and culture, urban dynamism, health and well-being, transport, education, residences, retail, businesses and uses mixed. DIALOG has been designing positive change in communities since 1960. To learn more, please visit

EllisDon is a leading construction and construction services company that achieves more than $ 3.5 billion the value of contracts each year, in all market sectors and around the world. Over the past 65 years, they have grown from being a general contractor to being a multi-faceted company that can execute any aspect of a project. For more information, please visit

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