Glazing and curtain walls: Striking the balance of comfort and security

The University of Missouri NextGen Precision Health Institute was completed in 2020.
The University of Missouri NextGen Precision Health Institute was completed in 2020.Photo by Michael Robinson/courtesy Curators of the University of Missouri.

 ASTM

ASTM develops standards that assess the ability of windows and doors to resist forced entry. Their forced entry test simulates a spontaneous intrusion using common hand tools, such as crowbars, to evaluate the performance of construction components and specialty security equipment. Manufacturers can test and rate their products, including windows, doors, modular panels, glazing, and curtain walls, to ensure they meet the necessary requirements for forced-entry protection.

For example, a manufacturer may conduct ASTM tests on a specific door design to determine its resistance to forced entry. The door’s construction components, locking mechanisms, and glazing would undergo scrutiny to measure their ability to withstand a bona fide intrusion attempt. By meeting ASTM standards, the manufacturer can provide a product that offers a proven higher level of security.

WELL

To address the aesthetics and comfort of built environments, the WELL Building Standards were developed to account for people’s health and wellness which they contend should be at the center of every building’s design.5 WELL is a performance-based system for measuring, certifying, and monitoring features of built environments that impact human health through air, water, nourishment, light, fitness, comfort, and mind. This holistic approach to health within built environments, which WELL estimates accounts for 90 percent of the time spent, is intended to positively impact human behavior in the areas of nutrition, fitness, mood, sleep patterns, and personal performance, while elevating overall business operations within the environment.

Air quality, for instance, focuses on controlling indoor air pollutants and ensuring adequate ventilation. WELL certification can involve strategies, such as designing an efficient HVAC system, using high-efficiency air filters, selecting low-emitting materials, and incorporating indoor plants. While the WELL Building Standard is consistent globally, local building codes and regulations may have additional requirements that should be considered during implementation. Working with knowledgeable professionals is crucial for successfully applying
the standards to a specific project.

Traditional thinking within the building enclosure industry may suggest the aesthetic and comfort features of interior spaces run counter to their safety and security capabilities.
Traditional thinking within the building enclosure industry may suggest the aesthetic and comfort features of interior spaces run counter to their safety and security capabilities.Photo by Michael Robinson/courtesy Curators of the University of Missouri.

It is important to understand the differences between ASTM and WELL and how they are applied. WELL standards are consistent globally and do not vary by state, whereas ASTM standards are typically adopted at the national level in the U.S. While they are not specific to individual states, local building codes and regulations may reference or require compliance with specific ASTM standards. Therefore, it is essential to consult local authorities and professionals to ensure compliance with any applicable WELL and ASTM standards within a specific jurisdiction.

ASTM standards are specific guidelines that must be met if a particular rating or certification is desired. For example, if a ballistics rating of four is specified, there are specific requirements and tests that must be passed to achieve that rating. ASTM standards cover various areas such as ballistics, glass rating, wind resistance, and more. These standards provide a clear and specific framework for meeting certain performance criteria.

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