Egress Window Size Chart Double Hung

Single or double hung windows are minimally 3 0 wide by 4 8 high or 2 8 wide and 5 6 high.

Egress window size chart double hung.

Irc codes for egress. 2nd floor and above. Rough opening sizes shown are for frame construction. Minimum size gliding egress window gliding windows with horizontally sliding sashes that always fill half the possible window opening area also have to be big to meet egress requirements.

Consult a silver line dealer for other rough opening size information such as with masonry or block applications. Ft almost twice the area of the egress casement window shown. They also need to be relatively large to meet the minimum size requirement for egress windows needing a space 28 inches to 60 inches wide and 23 5 inches to 60 inches high. However you must remember that life safety is much more important than the wallet.

Accordingly egress windows must be installed as the law dictates. The overall size of this smallest double hung egress window is 14 85 sq. Bold type indicates window may meet egress clear opening criteria of minimum 20 net opening width minimum 24 net opening height and minimum 5 7 sq. Slider windows are minimally 4 0 by 4 0.

Clear opening height 24. Does not apply in all jurisdictions. I ve seen a 2 6 wide by 5 0 high egress window but not all manufacturers make this window size. Minimum clear opening sq ft 5 7 sq ft.

Again watch the maximum sill height. Standard sizes for different window types. Maximum sill height above the floor 44. Double hung egress windows feature two panes of glass and are normally designed so that both the top and bottom sash can be raised and lowered.

Installing egress windows can be a rather costly procedure especially if you have to be breaking walls to do it.