IBC Design 721.1(2) 5-1.8

1-Hour Fire Rated Glazed or unglazed facing tile, nonload-bearing — One 4" unit cored 39 percent maximum with 3/4" gypsum plaster on one…

IBC Table 721.1(2), Item 5-1.8 (Glazed or unglazed facing tile, nonload-bearing): One 4" unit cored 39 percent maximum with 3/4" gypsum plaster on one side. Minimum finished thickness (face-to-face) — 1-hr: 4-1/2". Prescriptive assembly from the adopted building code — thicknesses are code minimums, see table footnotes for conditions.

One 4" unit cored 39 percent maximum with 3/4" gypsum plaster on one side.

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