Fire Resistance Ratings: ibc_table_601
Fire resistance ratings for building assemblies per UL/ASTM E119 — IBC Table 601 construction-type requirements (Types IA through VB), CMU wall equivalent-thickness ratings by aggregate type, gypsum board on steel/wood stud assemblies, concrete slab and wall thicknesses, composite steel deck/concrete floors, spray-applied fireproofing (SFRM) for columns and beams by W/D ratio, concrete-encased column ratings, and fire door assembly ratings (20-minute through 3-hour). Sources: IBC 2021 Table 601, ACI 216.1-14, UL Fire Resistance Directory, GA-600-2021, NFPA 80-2022, ASTM E119.
| assembly category | record id | assembly description | assembly type | construction material | construction type IBC | fire rating hr (hr) | key materials | notes |
|---|---|---|---|---|---|---|---|---|
| ibc_table_601 | type_IA_bearing_wall_ext | Type IA Exterior Bearing Wall | bearing_wall_exterior | protected_concrete_or_masonry | IA | 3 | concrete_or_masonry | IBC Table 601 exterior bearing wall minimum ratings |
| ibc_table_601 | type_IA_floor | Type IA Floor Construction | floor_assembly | concrete_or_protected_steel | IA | 2 | concrete_slab_or_steel_with_concrete | IBC Table 601 floor and secondary framing |
| ibc_table_601 | type_IA_structural_frame | Type IA Primary Structural Frame | structural_frame | protected_steel_or_concrete | IA | 3 | spray_fireproofing_or_concrete_encasement | Highest rated construction type per IBC Table 601 |
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