IBC Design 721.1(3) 13-1.4
1-Hour Fire Rated Double wood floor over wood joists spaced 16" on… — 1/2" Type X gypsum wallboard, 5d cooler, 6" on…
IBC Table 721.1(3), Item 13-1.4: Double wood floor over wood joists spaced 16" on center.. Ceiling: 1/2" Type X gypsum wallboard, 5d cooler, 6" on center. End joints of wallboard centered on joists. Minimum ceiling thickness — 1-hr: 1/2". Prescriptive assembly from the adopted building code — see table footnotes for conditions.
Double wood floor over wood joists spaced 16" on center.; ceiling: 1/2" Type X gypsum wallboard, 5d cooler, 6" on center. End joints of wallboard centered on joists.
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- Layer-by-layer components with thicknesses
- Cross-section diagram
- Applicable code sections and test standard
- 6 related assemblies