In 2016, the dairy cooperative Agropur opened a new, two-story office building in Longueuil, Québec that went on to earn a Leadership in Energy and Environmental Design (LEED) certification from the Canada Green Building Council in 2017. The ambitious project allowed Agropur to consolidate four existing offices into a single, unified 23,226-m2 (250,000 square foot) campus in a tranquil wooded environment adjacent to its existing distribution center and quality assurance labs.
The new campus offers a state-of-the-art office environment, underground parking for 700 cars, with carefully designed amenity areas, including a cafeteria, gymnasiums, and relaxation and conference rooms. Conceived as a series of narrow wings, the building layout takes advantage of plentiful windows to bring in natural light and continuous views of the surrounding forest.
The building was designed by Le Groupe Architex and the roof was installed by Truchon Roofing. Since the exterior of Agropur’s building is glass, care was taken in the plans to facilitate efficient regular window washing. The roof needed solid bases to protect it from the heavy equipment and accompanying workers who would launch from the roof.
The architect chose SOPREMA high-density polyiso cover boards to ensure that roof materials installed below the cover board would not be damaged by the additional loads and traffic. Unlike other types of cover board, the high-density polyiso cover boards also added thermal resistance, contributing to improved energy efficiency.
“The architect was looking for something solid and durable under the SBS-modified bitumen that would keep the lower roof materials from being damaged by the extra loads.” said Sylvain Dion, Architectural Sales representative at SOPREMA. “They had been considering the cement board, but when they learned more about the durability and added thermal value of the high-density polyiso cover board, they selected it for the roof.”
Commercial low-slope roof systems are expected to perform throughout the entire service life of a building, so understanding and utilizing products to help enhance the roof’s performance and longevity is essential for good roof design. With proper installation, HD polyiso cover boards are versatile and resilient low-slope roof system solutions. Whether it is exposed to severe weather or maintenance personnel servicing rooftop equipment or window washing, choosing a long-lasting roof system means satisfied building owners.
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