IRC 2000 Egress Code Summary



International Residential Code (IRC) 2000 Egress code for one and two families.
Definition of egress as described in IRC 2000 (Section R310) as it pertains to windows below ground level:


Window Wells/Area Wells:

Sill height of window above floor: Not to exceed 44"
Minimum opening area: = 5.7 sq. ft.
Minimum opening height = 24"
Minimum opening width: = 20"


Ladders:

Required on window wells deeper than 44" and must be permanently attached.
Ladder may encroach into well up to 6".
Step distance between rungs: = 18"
Rungs: 12" wide or greater and must project a minimum of 3" away
from wall but maximum of 6".


Grates:

Shall be removable without special tools.


Code sponsored by: The International Code Council (ICC), the Building Officials Code Administration (BOCA),
the Uniform Building Codes (UBC), and the Southern Building Code Congress International (SBCCI).


Review the complete IRC 2000 Egress Code for Michigan. (PDF)

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