FEATURE

Understanding the Canadian Air Barrier Standards

During the 1970s, extensive research was carried out in Canada on air leakage in buildings. Researchers at the National Research Council (NRC) demonstrated the importance of managing air leakage through the building enclosure. In the following decade, the concept of air barrier material emerged and was formally introduced in the 1985 edition of the National Building Code of Canada (NBC).
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SPONSORED

New standard for building guards from CSA Group

We use them every day, even if we do not notice them most of the time. When we go to work, head up a flight of stairs, or stand on a balcony, building guards are there. They are built structures most people take for granted, but their failure could have catastrophic results.
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FEATURE

Protecting Contactless Card-based Access Control Systems

Radio frequency identification (RFID) devices are typically used as proximity or smartcard identification in tracking and access control systems. These systems operate on the assumption the token is in close proximity to the reader because of the communication channel’s physical limitations.
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