IBC Design 721.1(2) 1-1.1

4-Hour Fire Rated Brick of clay or shale — Solid brick of clay or shale. (c)

IBC Table 721.1(2), Item 1-1.1 (Brick of clay or shale): Solid brick of clay or shale. (c) Minimum finished thickness (face-to-face) — 4-hr: 6" · 3-hr: 4.9" · 2-hr: 3.8" · 1-hr: 2.7". Prescriptive assembly from the adopted building code — thicknesses are code minimums, see table footnotes for conditions.

Solid brick of clay or shale. (c)

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