North America’s first product category rule (PCR) for roof coatings has been created by NSF International and the Roof Coatings Manufacturers Association (RCMA).
Photovoltaic (PV) systems are becoming an increasingly important element of renewable energy strategies across Canada. For building owners wishing to take advantage of this technology, the roof represents an ideal location for a PV array.
Steel has long been praised for its strength, durability, and functionality. More recently, architects and engineers have recognized the material’s additional sustainability advantages, particularly its high recycled content and end-of-life recovery rate.
East of downtown Kingston, Ont., overlooking the St. Lawrence River and Lake Ontario, the Royal Military College (RMC) is notable for its blend of modern academic, athletic, and dormitory facilities, with century-old buildings.
PCL Contractors is working on phase two of expansion at Toronto’s BMO Field, which includes massive roof construction and super-columns. The roof trusses will be supported by four super-columns constructed in each corner of the stadium.
SPRI’s latest informational Bulletin (No.1-15) offers updates on code evaluations and product approval requirements for roofing products in Canada, the United States, and around the world. The bulletin centers on the requirements of the International Codes as they relate to membrane roof covering systems.
Over the last 40 years, the Canadian roofing market has experienced growth in product diversity, expectation, and demand. In short, there are many different acceptable systems and solutions to offer long-term rooftop service. These assemblies have been challenged to provide performance criteria beyond just keeping water out of the building.
An ASTM International committee, D08 on Roofing and Waterproofing, is developing a standard for two asphalt products that will help reduce air emissions, save energy, and benefit workers by lowering their exposure to asphalt fumes.
When waterproofing a walkable roof deck, there are a number of important principles to consider in determining the ultimate performance of not only the decking assembly, but also the waterproofing and the overall building envelope. These can be thought of as the Six Ds.
Over the past decade, the North American construction industry has embraced sustainability in construction and building operation as environmental impacts have gained the attention of building operators, code-development organizations, and the general public.
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