The proper selection and placement of vapour-impermeable materials within wall assemblies is fundamental to their durability in both cold and warm climates. Failure to correctly account for the impacts of vapour diffusion can lead...
Tag: Moisture Protection
The trend towards higher performing buildings and envelope systems requires a re-doubling of effort towards achieving durable, constructible, and maintainable transition details. There are many ways for these details to fail. Fortunately, there are...
The air/vapour barrier must die
(07/11/2018)
The terms “air barrier” and “vapour retarder” (or “vapour barrier”) are perhaps some of the most poorly understood concepts in the construction industry. A general lack of understanding of the functions of these materials...
Is water penetration in the below-grade structure an inevitable phenomenon? Not anymore. Shop drawings are proving extensive design, coupled with project-specific information, can help turn the tide.
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May 2025