Why Choose ESI?
Egress Systems, Inc.
Serving Montgomery, Bucks, Chester, and Delaware Counties in Southeastern PA
Delaware and New Jersey
Below are some of the highlights of the 2006 IRC (International Residential Code), Section R310, as it pertains to windows below ground level.
Sill height of window above floor: Not to exceed 44 inches.
Minimum opening area: = 5.7 sq. ft.
Minimum opening height: ≥ 24"
Minimum opening width: ≥ 20"
Window Wells/Area Wells
Required where window opening sill height is below ground elevation.
Horizontal dimensions: ≥ 9 sq. ft.
Horizontal projection: ≥ 36"
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 & Covers
Shall be removable without special tools.
Code sponsored by: The International Code Coucil, the Building Officials Code Administration (BOCA), the Uniform Building Codes (UBC), and the Southern Building Code Congress International (SBCCI).