Episode 103 — Space Frames, Cable Nets, and ETFE Systems

Episode 103 — Space Frames, Cable Nets, and ETFE Systems

From The Structural Engineering Podcast by Zach and Max

January 7, 2026 · 1h 5m · Season 7

About this episode

This episode explores space frames, cable nets, and ETFE systems, highlighting their efficiency and design considerations in modern architecture.

In Episode 103, we dive into space frames, cable nets, and ETFE membrane systems — the lightweight structural forms that make some of today’s most iconic buildings possible. From the geometry that drives space frame efficiency to the tension‑based behavior of cable nets and the surprising performance of ETFE, we break down how these systems work, where they shine, and what engineers need to consider when designing them.Tune in to hear how these structures balance form, efficiency, and constructability — and why “lightweight” doesn’t mean simple. Structural Trivia:Sign up for our structural trivia! A quick email mid-week will keep you sharp (FYI-Survey Monkey is often re-directed to the spam folder). Reach out to us:TheEngineeringPodcast.comInstagramLinkedin Sponsor:This episode is sponsored by NEXT Insurance; affordable, engineer-friendly liability coverage starting at just $29/month, designed to give structural engineers the protection they need with zero hassle. Go to NextInsurance.com/sepodcast and get a free quote today!

People in this episode

Hosts: Zach, Max

Topics covered

  • space frames
  • cable nets
  • ETFE systems
  • structural engineering
  • design considerations
  • lightweight structures

Keywords

  • space frames
  • cable nets
  • ETFE
  • structural forms
  • engineering design
  • lightweight structures
  • constructability

Sponsors

NEXT Insurance

Mentioned in this episode

Books & works: Episode 103

Places: TheEngineeringPodcast.com

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