IBC Design 721.1(2) 1-2.1
2-Hour Fire Rated Brick of clay or shale — 4" nominal thick units not less than 75 percent solid backed with a…
IBC Table 721.1(2), Item 1-2.1 (Brick of clay or shale): 4" nominal thick units not less than 75 percent solid backed with a hat-shaped metal furring channel 3/4" thick formed from 0.021" sheet metal attached to the brick wall on 24" centers with approved fasteners, and 1/2" Type X gypsum wallboard attached to the metal furring strips with 1"-long Type S screws spaced 8" on center. Minimum finished thickness (face-to-face) — 2-hr: 5 (d)". Prescriptive assembly from the adopted building code — thicknesses are code minimums, see table footnotes for conditions.
4" nominal thick units not less than 75 percent solid backed with a hat-shaped metal furring channel 3/4" thick formed from 0.021" sheet metal attached to the brick wall on 24" centers with approved fasteners, and 1/2" Type X gypsum wallboard attached to the metal furring strips with 1"-long Type S…
The full text is for BuildSpec members
Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.
- Layer-by-layer components with thicknesses
- Cross-section diagram
- Applicable code sections and test standard
- 6 related assemblies