IBC Design 721.1(3) 13-1.2
1-Hour Fire Rated Double wood floor over wood joists spaced 16" on… — Cement or gypsum plaster on metal lath.…
IBC Table 721.1(3), Item 13-1.2: Double wood floor over wood joists spaced 16" on center.. Ceiling: Cement or gypsum plaster on metal lath. Lath fastened with 1-1/2" by No. 11 gage by 7/16" head barbed shank roofing nails spaced 5" on center. Plaster mixed 1:2 for scratch coat and 1:3 for brown coat, by weight, cement to sand aggregate. Minimum ceiling thickness — 1-hr: 5/8". Prescriptive assembly from the adopted building code — see table footnotes for conditions.
Double wood floor over wood joists spaced 16" on center.. Ceiling: Cement or gypsum plaster on metal lath. Lath fastened with 1-1/2" by No. 11 gage by 7/16" head barbed shank roofing nails spaced 5" on center. Plaster mixed 1:2 for scratch coat and 1:3 for brown coat, by weight, cement to sand…
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- Layer-by-layer components with thicknesses
- Cross-section diagram
- Applicable code sections and test standard
- 6 related assemblies