Code Compliance For Denver Residents
At Dahl-House Construction our contractors comply with the International Denver Residential Code (IRC) 2006 Egress code for one and two family dwellings. The following are some of the highlights of the IRC 2006 Code (Section R310) as it pertains to windows below-grade. See your local building code inspector with questions regarding code requirements in your area.
Windows: Sill height of window above floor shall not to exceed 44”
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”
Ladders: Required on window wells deeper than 44” and must be permanently attached. Ladder may encroach into window well up to 6”. Step distance between rungs is < 18”. Rungs 12” wind or greater must project a minimum of 3” away from wall but maximum of 6”.
Grates shall be removed without special tools.
This code is sponsored by the International Building Code (ICC), Uniform Building Codes (UBC), and Building Officials Code Administration (BOCA). Consult applicable building code organization for full details.
Contact Dahl-House Construction for a free In-Home Consultation for your Denver-Boulder home code compliance by calling 303.915.5011 or complete our service request form.
View our basement egress windows