Air leakage in roofing assemblies can ultimately result in catastrophic roof failures affecting the building, its contents, and inhabitants. Therefore, it is paramount to pay attention and become familiar with all the environmental factors...

The growing demand for energy-efficient and sustainable building solutions drives building engineers and architects to search for innovative and cost-effective ways to optimize insulation. One such cutting-edge insulation technology is hydrofluoroolefins-blown (HFO-blown) spray foam...


Air leakage and air exchange are two of the biggest issues facing architects, designers, and facility managers when it comes to specifying commercial rolling doors for conditioned warehouse spaces across the country. To improve...

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.


Air barriers have been a requirement of the National Building Code of Canada (NBC) for many years, but not all design professionals fully understand what is involved in specifying one. An air barrier may...