IBC Design 721.1(1) 3-1.1
4-Hour Fire Rated Bonded pretensioned reinforcement in prestressed concrete — Carbonate, lightweight, sand-lightweight and siliceous--…
IBC Table 721.1(1), Item 3-1.1 (Bonded pretensioned reinforcement in prestressed concrete): protection by Carbonate, lightweight, sand-lightweight and siliceous-- Beams or girders Minimum insulating material thickness — 4-hr: 4" · 3-hr: 3" · 2-hr: 2-1/2" · 1-hr: 1-1/2". Prescriptive protection from the adopted building code — see table footnotes for conditions.
Carbonate, lightweight, sand-lightweight and siliceous-- Beams or girders
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