Continuous insulation (ci) has been a part of some Canadian code requirements since 2011, but the concept can still be confusing for design and construction professionals.
Water is the most significant factor in the premature deterioration of our buildings. Excessive moisture accumulation on porous materials can lead to water penetration, freeze-thaw damage, efflorescence, cracking, and façade soiling.
It can be difficult to sort through the falsehoods about mineral fibre insulation to find the truth. How does it really perform in the face of wind-washing, water infiltration, and cold temperatures?
Energy efficiency, green construction, increased insulation, net-zero—all these terms imply the same expectation: to improve the performance of buildings and minimize their impact on the environment by reducing greenhouse gas (GHG) emissions, conserving natural resources, and maximizing the service life of all building systems—all while maintaining comfortable and functional buildings.
With an increased focus on careful stewardship of resources and rapidly rising utility costs, it is now mandatory for new and remediated buildings to be more energy-efficient. This tends to be easier said than done. There are numerous challenges that must be addressed during the design and construction phases of such a project.
Insulation manufacturers have devised numerous ways to improve the thermal performance of their products, from adding specialized particles to polystyrene to refining vacuum insulated panels (VIPs) and phase-change materials to aerogels. Unfortunately, none of this matters when these high-performance products are installed ineffectively.
Continuous urban population growth in recent years has created one common problem in cities throughout Canada—noise complaints. In fact, a survey conducted last year by the City of Toronto revealed that 82 per cent of people were unhappy with the current noise levels of their neighbourhoods.
The brick veneer/metal stud (BV/MS) backup exterior wall assembly was invented in New England in the 1970s. This type of system was formed to substitute the more expansive concrete masonry unit (CMU) backup wall because it is installed much more quickly. Now, new innovations have improved the assembly further.
A suite of e-books, collecting some of the best and most popular Construction Canada articles, is now available free of charge. The anthologies bring together diverse stories on five topics—acoustics, sustainability, concrete, thermal insulation, and wood design—in full-colour pdfs for you to download and enjoy online or off.
Buildings are energy hogs. Nearly half the total energy consumption of commercial and industrial buildings in Canada is used for heating and cooling spaces, which contributes to 42.9 per cent of the sectors’ greenhouse gas (GHG) emissions.
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