Skip to main content
Add as a preferred source on Google

How do we specify glass railings?

  • By Dan Stachel
  • 06/01/19

Glass design and engineering analysis can be inconsistent across projects. There are several possible reasons for this including the treatment of guardrails as a product rather than an engineered structure, general inexperience with glass as an engineered material, and limited access to glass design software in the U.S.

To ensure you have all the pertinent details, ask suppliers to provide you with a comprehensive proposal, including detailed takeoffs with specific inclusions or exclusions for each railing style within the project scope. These details should include aspects such as finish, linear footage, structural attachment, and makeup. Additionally, request a submittal package that includes 3D renderings based on the architectural and structural specifics for the project.

High-definition surveying (HDS) technology offers tremendous benefits over conventional surveying. It allows for the capture of thousands of critical measurements with precision accuracy, thereby significantly reducing the need for fabrication rework. It also offers a much faster track to the manufacturing process by eliminating the risk of human error and saving weeks of manual field measuring.

Regardless of the method selected for analysis, there are two key principles that should be considered when specifying glass railing: the elastic properties of laminate interlayers (and how they change with temperature and load duration), and understanding that local stresses—e.g., contact materials, support size, and hole size—are critical. In light of these varying factors, it’s recommended that a good finite element program be used to accurately determine glass stresses instead of any manual analysis.

Glass analysis is the most critical aspect of specifying point-supported glass due to life-safety factors. It’s essential that those who have a stake in a project understand this and take appropriate measures to ensure that building code requirements are met.

This article originally appeared in the College Planning & Management June 2019 issue of Spaces4Learning.

About the Author

Dan Stachel is vice president of Trex Commercial Products (www.trexcommercial.com).

Featured

  • Charles R. Drew University Opens Health Professions Education Building

    Charles R. Drew University of Medicine and Science (CDU) has officially opened its new Health Professions Education Building (HPEB) in South Los Angeles.

  • DLR Group Hires Three for Higher Education Practice

    Integrated design firm DLR Group recently announced that it has brought three new hires on board to help shape its higher education practice in California and the northeast, according to a press release.

  • Q&A: How to Prevent Kitchen Grease Fires in Commercial Kitchens

    School cafeterias and university dining halls serve thousands of meals daily, relying on high-heat equipment like fryers, grills, and ovens. While these operations keep students fed, they also generate significant grease-laden vapors. Without proper controls, this grease becomes a silent fire threat. As a certified exhaust cleaning specialist and business coach who has helped hundreds of institutional facilities achieve NFPA 96 compliance, I emphasize that proactive grease management isn’t optional; it’s a core fire/life safety practice.