B20−Exterior Vertical Enclosures

Accessibility of operable windows

January 9, 2026

Accessibility to fresh air and a connection to the outdoors for those with physical disabilities are especially important in skilled nursing and personal care facilities, multi-family dwellings, and hotels, along with classrooms and dormitories. To help ensure this access, windows capable of meeting operating force and motion requirements of International Code Council/American National Standards Institute (ICC/ANSI) A117.1, Accessible and...

By By Steve Gusterson, FCSC, CTR, and Lisa May

Understanding masonry veneer construction

March 28, 2024

Contemporary masonry veneer construction consists of a single wythe of masonry, such as brick or stone, mechanically anchored to a backup structure, typically either wood or light-gauge steel framing or concrete masonry units (CMUs).

Advances in curtain walls: Fibre-reinforced polymer technology

March 8, 2024

Some manufacturers are using fibre-reinforced polymer (FRP) technology to create curtain wall components, reinforcements, and pressure plates that can be incorporated into the hollow chambers of aluminum frames to significantly bolster the system’s overall energy performance.

Role of structural thermal breaks in senior housing projects

February 1, 2024

Skylights, green roofs, balconies, courtyards, nature walks, theatres, fountains, and other amenities abound. However, less obvious but critical to the comfort and health of seniors are warm interior floors adjacent to exterior walls and doors, and mould-free air recirculating within the sealed building envelope.

Design fundamentals of accessible and adaptable dwelling units

December 22, 2023

Adaptable design involves adjustable elements that can be conveniently removed, replaced, or added to adapt a unit to the individual needs of persons, as each person will have different types or degrees of disabilities. In addition, adaptable dwelling units have all the accessible features a typical accessible unit should have.

Applying the carbon equation to insulating glass units (IGUs)

December 15, 2023

Since its introduction, insulating glass units (IGUs) have provided significant reductions in operational carbon emissions from buildings—yet, they increase the embodied (upfront) carbon. This is because the amount of energy (and carbon) intensive glass used is doubled in an IGU compared to monolithic glass and the service life is significantly reduced from many hundreds of years to 20 to 40 years.

Tension fabric structures: setting a new standard for facility construction

December 4, 2023

For many, the term “fabric building” carries negative connotations of being a cheap or temporary option. For others, the exact same words are 100 per cent positive, as this group understands that with the right approach, fabric cladding brings a multitude of potential benefits to the table for water treatment facilities, recreational complexes, aircraft hangars, waste-to-energy plants, bulk salt/sand storage, and numerous other applications.

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January 2026

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