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

  • Illinois State University Breaks Ground on College of Fine Arts Transformation

    Illinois State University in Normal, Ill., recently held a groundbreaking ceremony for the Wonsook Kim College of Fine Arts transformation project, according to university news. The series of new constructions and renovations will upgrade spaces in Centennial East, the Center for the Visual Arts, and the Center for the Performing Arts, as well as replace the existing Centennial West facility with a new Commons Building.

  • restroom sinks

    CSU Dominguez Hills Standardizes Plumbing to Improve Restroom Maintenance and Efficiency

    At California State University, Dominguez Hills, facilities leaders have taken steps to standardize restroom fixtures as part of a broader effort to improve maintenance efficiency and control long-term costs.

  • New Arizona Fine Arts School Reaches Construction Milestone

    Construction of the new Hilltop School for the Arts and Theater in Litchfield Park, Ariz., recently hit a significant milestone, according to a news release. The Agua Fria High School District held a beam-signing ceremony to celebrate the building’s topping out, or the placement of its last structural beam.

  • Academy of Classical Education Breaks Ground in Louisiana

    Charter Schools USA (CSUSA) recently announced the groundbreaking of a new public charter school in Covington, La., according to a news release. The Academy of Classical Education at Covington will enroll students in grades K–8 and is scheduled for completion in August 2026, just in time for the new school year.