Roof construction has evolved beyond simple waterproofing. Learn how modern roofing integrates building science, sustainability, and engineering to meet today’s performance demands.
In the construction industry, much attention is given to the visible and esthetically pleasing aspects of buildings. These elements often win awards and gain recognition, while the hidden components that do not catch the eye are frequently overlooked. However, this focus on the visible can have serious implications, especially regarding critical building systems such as below-grade waterproofing, building enclosures, and low-sloped roofing.
Climate change poses challenges for building professionals tasked with the job of protecting structures from water damage. By becoming a part of the concrete, crystalline admixtures remove the need for a waterproofing membrane.
Proper insulation is crucial in designing efficient building envelopes, especially in Canada, where long winters increase energy use and the need to minimize heat loss. Addressing insulation challenges is crucial in mitigating long-term operating costs for building owners and reducing greenhouse gas (GHG) emissions.
Roof enclosures have the largest litigation potential in the construction industry due to complexities in design, application, and environmental exposure. A self-drying roof enclosure would minimize the litigation potential and provide additional benefits, such as increased roof resiliency, reduced financial burden, and minimal impact on the environment.
While improving energy efficiency is the key goal, the other benefits of air barriers, such as helping control the interior environment, providing a durable design, and creating a high-performing building, should all be closely considered in air barrier material selection.
Zero-lot-line-construction typically requires the application of blindside waterproofing to various types of shoring conditions. Some waterproofing consultants and professionals feel redundant waterproofing is the most effective method in these conditions.
While energy-efficient buildings are created by insulating from the bottom up, getting the best possible insulation for the project starts by understanding the material from the inside out. Current tests highlight the moisture absorption traits of rigid foam insulation but not the water expulsion traits, and therefore may be misleading.
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