IBC Design 721.1(3) 8-1.1

4-Hour Fire Rated Steel joists constructed with a reinforced concrete… — Vermiculite gypsum plaster on metal lath…

IBC Table 721.1(3), Item 8-1.1: Steel joists constructed with a reinforced concrete slab on top poured on a 1/2"-deep steel deck.. Ceiling: Vermiculite gypsum plaster on metal lath attached to 3/4" cold-rolled channels with 0.049" (No. 18 B.W. gage) wire ties spaced 6" on center. Minimum slab thickness — 4-hr: 2-1/2". Minimum ceiling thickness — 4-hr: 3/4". Prescriptive assembly from the adopted building code — see table footnotes for conditions.

Steel joists constructed with a reinforced concrete slab on top poured on a 1/2"-deep steel deck.. Ceiling: Vermiculite gypsum plaster on metal lath attached to 3/4" cold-rolled channels with 0.049" (No. 18 B.W. gage) wire ties spaced 6" on center.

The rest of 4-Hour Fire Rated Steel joists constructed with a reinfor… is for members

You're reading the opening of 4-Hour Fire Rated Steel joists constructed with a reinfor…. 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 Steel joists constructed with a reinfor… — free for 14 daysSign in