IBC Design 721.1(3) 6-5.1
2-Hour Fire Rated Steel joists constructed with a poured reinforced… — Wood-fibered gypsum plaster mixed 1:1 by…
IBC Table 721.1(3), Item 6-5.1: Steel joists constructed with a poured reinforced concrete slab on metal lath forms or steel form units.. Ceiling: Wood-fibered gypsum plaster mixed 1:1 by weight gypsum to sand aggregate applied over metal lath. Lath tied 6" on center to 3/4" channels spaced 13-1/2" on center. Channels secured to joists at each intersection with two strands of 0.049 inch (No. 18 B.W. gage) galvanized wire. Minimum slab thickness — 2-hr: 2-1/2". Minimum ceiling thickness — 2-hr: 3/4". Prescriptive assembly from the adopted building code — see table footnotes for conditions.
Steel joists constructed with a poured reinforced concrete slab on metal lath forms or steel form units.. Ceiling: Wood-fibered gypsum plaster mixed 1:1 by weight gypsum to sand aggregate applied over metal lath. Lath tied 6" on center to 3/4" channels spaced 13-1/2" on center. Channels secured to…
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- Layer-by-layer components with thicknesses
- Cross-section diagram
- Applicable code sections and test standard
- 6 related assemblies