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Egress & Openings Calculator
Follow the instructions below to calculate openings measurements for your project. Once you've entered in measurements, the results shown will indicate whether or not the window will meet egress.
This tool is for estimation purposes only. Local codes may differ from IRC requirements; always refer to the codes in your area for complete requirements, and check with local officials to ensure compliance before installation. All products are subject to regional availability. For more information, contact your dealer or distributor.
The Egress Calculator service is currently down
IRC Codes for Egress
Note: To meet egress, a window must comply with all four IRC requirements.
2nd floor and above:
Clear opening width ≥ 20"
Clear opening height ≥ 24"
Minimum clear opening sq.ft = 5.7 sq.ft.
Maximum sill height above the floor = 44"
First floor (grade) egress requirements:
Note: Does not apply in all jurisdictions.
Clear opening width ≥ 20"
Clear opening height ≥ 24"
Minimum clear opening sq.ft. = 5.0 sq.ft.
Maximum sill height above the floor = 44"
