Typical assembly (not a tested listing)

4-Hour Fire Rated Wood Stud Wall — 4 layers 5/8" Type C

Typical 4-hour fire-rated wood stud wall assembly. 2x4 wood studs at 24" o.c. with R-15 mineral wool batt, 4 layers of 5/8" Type C gypsum board each side. 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.

2x4 wood studs at 24" o.c. with R-15 mineral wool batt, 4 layers of 5/8" Type C gypsum board each side

The rest of 4-Hour Fire Rated Wood Stud Wall — 4 layers 5/8" Type C is for members

You're reading the opening of 4-Hour Fire Rated Wood Stud Wall — 4 layers 5/8" Type C. Members see the complete text, every cross-reference and the tools on this page — 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
Unlock 4-Hour Fire Rated Wood Stud Wall — 4 layers 5/8" Type C — free for 14 daysSign in