To meet egress a window must comply with all four irc requirements.
Egress window size double hung.
Exceeds the 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.
Slider windows are minimally 4 0 by 4 0.
Single or double hung windows are minimally 3 0 wide by 4 8 high or 2 8 wide and 5 6 high.
Applying the egress requirements to double hung windows in order to reach the minimum opening area the opening pane must clear 24 inches top to bottom and be at least 34 inches wide.
Fiberglass screen to keep out bugs.
3000 series double hung window with nailing fin double hung model 3001 standard window sizes nominal visible glass window window size dimension opening opening per opening size frame ttt incl j channel size size 3 window can be ordered in 1 4 increments.
Minimum clear opening sq ft 5 7 sq ft.
Single hung windows tend to be more popular in older homes and colder climates and need to be relatively large to meet the minimum size requirement for egress windows.
The window is designed to fit into a standard basement window space making it a good diy project.
Double hung windows with vertically sliding sashes that always fill more than one half the opening area have to be pretty big to meet egress requirements.
That means the entire window must be more than 48 inches high.
Maximum sill height above the floor 44.
Agron gas filled double paned insulated low e glass by guardian with a u value of 0 24.
I ve seen a 2 6 wide by 5 0 high egress window but not all manufacturers make this window size.
2nd floor and above.
Ft almost twice the area of the egress casement window shown.
Some double hung windows open from top to bottom but it is not as common.
Does not apply in all jurisdictions.
Clear opening height 24.
Clear opening width 20.
Opening size required by code.
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.
Vinyl double hung window american craftsman integral j channel double hung windows black double hung windows 26 inch windows 45x65.
Anderson s double hung sizes.
Again watch the maximum sill height.
The overall size of this smallest double hung egress window is 14 85 sq.
Window wells serving an egress window shall not be less than 9 square feet in area with a horizontal length width of no less than 36 inches.
Top sash bottom sash top sash bottom sash for entire unit.
Minimum 20 inches of net clear width opening.