Fire Resistance Rating Calculator
Calculate fire resistance rating from material type and thickness, compare to IBC requirements.
Inputs
Results
Achieved Rating (hours)
2
Required Rating (hours)
1
Meets Requirement1
Rating Deficiency (hours)0
Additional Thickness Needed (in)0
Effective Thickness (in)4
How to Use This Calculator
- Enter Material Type, Thickness (inches), and Gypsum Layers.
- Set Occupancy Group.
- Review Achieved Rating (hours) and Required Rating (hours).
- Use Meets Requirement and Rating Deficiency (hours) to inform your decision.
Ad Placeholder
Related Calculators
Fire Sprinkler Design Calculator
Calculate sprinkler head count, spacing, design density, and pipe sizing per NFPA 13.
Fire Flow Calculator
Calculate required fire flow GPM from building construction type, area, and height.
Occupant Load Calculator
Calculate maximum occupancy from floor area and use type per IBC Table 1004.5.
Fire Egress Calculator
Calculate exit width, number of exits, and travel distance based on occupant load per IBC.
Ad Placeholder