Clear opening width 20.
Egress window size chart double hung.
Clear opening height 24.
The overall size of this smallest double hung egress window is 14 85 sq.
Irc codes for egress.
Standard sizes for different window types.
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.
Consult a silver line dealer for other rough opening size information such as with masonry or block applications.
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.
Again watch the maximum sill height.
I ve seen a 2 6 wide by 5 0 high egress window but not all manufacturers make this window size.
Accordingly egress windows must be installed as the law dictates.
To meet egress a window must comply with all four irc requirements.
Anderson s double hung sizes.
However you must remember that life safety is much more important than the wallet.
Does not apply in all jurisdictions.
Single or double hung windows are minimally 3 0 wide by 4 8 high or 2 8 wide and 5 6 high.
Slider windows are minimally 4 0 by 4 0.
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.
Minimum clear opening sq ft 5 7 sq ft.
2nd floor and above.
Installing egress windows can be a rather costly procedure especially if you have to be breaking walls to do it.