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.
Consult a silver line dealer for other rough opening size information such as with masonry or block applications.
I ve seen a 2 6 wide by 5 0 high egress window but not all manufacturers make this window size.
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.
Does not apply in all jurisdictions.
Clear opening height 24.
Irc codes for egress.
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.
However you must remember that life safety is much more important than the wallet.
Minimum clear opening sq ft 5 7 sq ft.
Anderson s double hung sizes.
Installing egress windows can be a rather costly procedure especially if you have to be breaking walls to do it.
Slider windows are minimally 4 0 by 4 0.
Accordingly egress windows must be installed as the law dictates.
Ft almost twice the area of the egress casement window shown.
Maximum sill height above the floor 44.
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.
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.
To meet egress a window must comply with all four irc requirements.
Standard sizes for different window types.
2nd floor and above.