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Publication Topics: construction

Unlocking Carbon Savings with Plastic Insulation Materials

April 12, 2024

PLASTIC INSULATION IS typically composed of a plastic polymer, such as polyurethanes or polystyrenes, a blowing agent, such as chlorofluorocarbons (CFCs), a surfactant, and other flame retardants or additives. The application of insulation in homes evolved from hay to fiberglass in the 1930s, followed by the shift to plastic insulation in the 1970s.1, 2 The […]

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Technical Advisory No. 24, 2024: Demolition and Restoration of Cavity Wall Constructions After Extreme Weather Events Resulting in Flooding

April 03, 2024

DISCLAIMER This Technical Advisory is intended to serve only as a general resource and to identify potential issues for consideration by industry professionals. Each person using this Technical Advisory is solely responsible for the evaluation of the Technical Advisory in light of the unique circumstances of any particular situation; must independently determine the applicability of […]

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The Future of Sustainable Building Restoration with Deep Energy Retrofits

March 15, 2024

AS THE GLOBAL focus on sustainability and climate change intensifies, the United States is seeing a new trend in building restoration— deep energy retrofits. The largest contributor to greenhouse gas (GHG) emissions in the US, buildings account for approximately 40% of energy consumption and 75% of electricity use nationwide.1 Therefore, existing structures have been targeted […]

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Evaluation of Vapor Retarders in Roof Decks in High Humidity Environments by Hygrothermal Simulation

March 15, 2024

IN COLD WEATHER, high-humidity indoor environments such as indoor pools pose risks of moisture condensation in building enclosures, which in turn can cause mold, decay, buckling, corrosion, and eventually structural issues of durability. Most swimming pools are treated with chlorine, resulting in chloramines that off-gas into the pool’s air space, irritating skin and eyes and […]

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Implications of Envelope Backstops in Recent Energy Codes

March 15, 2024

ENERGY CONSUMPTION WITHIN the residential and commercial sector accounts for 40% of energy utilization in the United States.1 Among the various energy uses, space heating and cooling activities are responsible for more than 50% of this energy consumption.2 Canada also faces a similar concern, prompting regulatory authorities to explore alternative approaches. To mitigate energy consumption, […]

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Market Index Survey for Reroofing Indicates a Positive End to 2023

March 15, 2024

THE REROOFING INDUSTRY finished 2023 in an optimistic mood, according to findings from the Market Index Survey for Reroofing conducted in January 2024. Across the industry as a whole and in each of its three market segments, the survey suggested that the fourth quarter of 2023 was characterized by business expansion. ABOUT THE SURVEY The […]

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Adequate Ventilation of Low-Slope Roof Systems: The Need for Better Understanding and Guidance

February 09, 2024

IN MONTREAL, QUEBEC, low-rise residential buildings with low-slope roof systems are an important part of the city’s architectural character. However, the current building code requirements and typical design and construction practices for these structures do not always provide for adequate ventilation of attic spaces. This article explains how the current code requirements were derived and […]

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