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

  • Hawaii Elementary School Reopens Following $25M Campus Modernization

    Haʻaheo Elementary School in Hilo, Hawaii, has reopened to students following a three-year, $25-million campus modernization and expansion project that significantly increases the school's instructional space while preserving one of the island's oldest educational institutions, according to local news.

  • Texas A&M Opens First Building at Fort Worth Campus, Breaks Ground on Research Facility

    The Texas A&M University System marked a major milestone in the development of its Fort Worth campus by opening its first completed academic building and breaking ground on a second facility designed to expand research and industry collaboration.

  • UCF Modernizes College of Hospitality Management

    The University of Central Florida in Orlando, Fla., recently completed a major renovation effort for the Rosen College of Hospitality Management, according to a news release. The project modernized 77,600 square feet worth of academic classrooms, teaching labs, and collaborative spaces to support both students and faculty.

  • Johns Hopkins Starts Construction on New Residence Hall, Dining Facility

    The Homewood Campus of Johns Hopkins University in Baltimore, Md., recently began construction on a new residence hall and dining facility, according to university news. The work involves demolishing the existing Alumni Memorial Residence Hall I, which was built in 1923, to make room for the new facility.