Wisconsin egress windows. For any window used for exiting, the lowest point of clear opening should be no more than 60 inches above the floor. If the lowest point of clear opening is more than 46 inches above the floor, a permanent platform or fixture should be installed such that a flat surface at least 20 inches wide and 9 inches deep is located no more than 46 inches directly below the clear opening. The topmost surface of the platform or fixture should be no more than 24 inches above the floor.
[size=2]The window shall be openable from the inside without the use of tools or the removal of a sash. If equipped with a storm or screen, it shall be openable from the inside. The nominal size of the net clear window opening shall be at least 20 inches by 24 inches irrespective of height or width. Nominal [FONT=Arial][size=2]dimensions shall be determined by rounding up fractions of inches if they are ½”[/size][/FONT] inch or greater or rounding down fractions of inches if they are less than ½[FONT=Arial][size=2]”[/size][/FONT] inch. No portion of the window, including stops, stools, meeting rails and operator arms, shall infringe on the required opening. The area and dimension requirements may be infringed on by a storm window.