For determining egress window sizes and placement the international building code holds that every bedroom must contain at least one egress window.
Bedroom egress window size.
Minimum 24 inches of net clear height opening.
The egress window must have a glass area of not less than 8 of the total floor area of room s for which it is servicing to allow the minimum amount of sufficient natural light.
The minimum egress window opening height is 24 high.
Openable area equals 5 7 sq.
Openable area equals 5 7 sq.
Sized window for 34 in.
Sized window for 20 in.
From bottom of clear opening to floor in egress windows in sleeping rooms 34 in.
It must be at least 5 7 square feet that is at least 20 inches wide by 24 inches high with an opening no higher than 44 inches from the floor.
Clear opening width 24 in.
Single or double hung windows are minimally 3 0 wide by 4 8 high or 2 8 wide and 5 6 high.
Maximum 44 inches to window sill measured from finished floor.
To meet egress requirements these horizontally sliding windows must be at least 4 ft.
The minimum opening area of the egress window is 5 7 square feet.
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.
The minimum egress window opening is 20 wide.
I ve seen a 2 6 wide by 5 0 high egress window but not all manufacturers make this window size.
This height requirement takes it out of the running for most basement egress situations.
Wide and 4 ft.
Clear width rough openings shall be larger than required size to accomodate window frame min.
Clear width 44 in.
This means that to meet egress window height requirements a bedroom window must be nearly 4 ft.