Typical assembly (not a tested listing)

3-Hour Fire Rated Head-of-Wall Joint — Intumescent System

Typical 3-hour fire-rated head-of-wall joint system. Head-of-Wall Joint, 2" max width, Intumescent wrap strip with ceramic fiber backer. Illustrative example of typical construction — not a tested UL or GA listing. Use a listed design (UL Product iQ or GA-600) for construction documents.

Head-of-Wall Joint, 2" max width, Intumescent wrap strip with ceramic fiber backer

The full text is for BuildSpec members

Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.

  • Layer-by-layer components with thicknesses
  • Cross-section diagram
  • Applicable code sections and test standard
  • 6 related assemblies
Start your free 14-day trialSign in