Analyze combined roof loading from dead, live, snow, and solar equipment loads per IBC structural requirements.
Input Parameters
Results
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Total Combined Load
psf
--
Utilization Ratio
%
--
Remaining Capacity
psf
--
Structural Status
Note: IBC requires roofs to support dead + live + snow + equipment loads simultaneously. Typical residential roof capacity is 40-60 psf. Always verify with a structural engineer.
Reference
Roof Snow Load = Ground Snow × Cs (0.7 typical)
Total = Dead + Equipment + max(Live, Snow_roof)
Utilization = Total Load / Roof Capacity × 100
IBC load combinations per ASCE 7-22 Section 2.3