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What are the requirements for egress windows?

April 26, 2017egress requirements Windows

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What are the requirements for egress windows?

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The minimum opening area in accordance with the 2006 IRC section 310 is 5.7 square feet. Minimum opening height is 24 inches and the minimum opening width is 20 inches. The bottom sill height shall be no more that 44 inches from the floor. To obtain more information please call 657-8270.

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“Egress windows” must have a clear opening area a minimum of 5.7 square feet, a minimum clear opening width of 20 inches, and clear opening height of 24 inches. The sill of the window must be within 44 inches of the finish floor. The window must be openable without tools, special knowledge, or special effort. Grade floor egress windows (sill height not more than 44 inches above exterior grade) may have a minimum of 5 square feet clear opening area, subject to the same minimum height and width dimensions as above. See the handout Egress Windows for further information. Security bars and grills are prohibited on egress windows except in certain cases. Egress windows located below grade must have a window well meeting certain requirements. Please contact our Office for further information on these issues.