Egress Window Size Requirements Michigan

The minimum egress window opening is 20 wide.

Egress window size requirements michigan. 5 0 square feet allowed if located at grade floor or below. Casement windows with hinged sashes that swing free and clear of the opening can be relatively small and still meet egress requirements. The minimum egress window opening height is 24 high. Where a window is provided as the emergency escape and rescue opening it shall have a sill height of not more than 44 inches 1118 mm above the floor.

Minimum 5 7 square feet of net clear opening area. Where the sill height is below grade it shall be provided with a window well in accordance with section r310 2 3. 1 these rules specify requirements for means of egress for employee use required by the advent of hazardous conditions such as fire explosion and natural disaster. Minimum 24 inches of net clear height opening.

Combined opening area must be a minimum of 5 7 square feet. Basement egress windows have special requirements. Minimum 20 inches of net clear width. Since you re below ground you have to make sure that the window can still fully open without obstruction.

Egress opening requirements include. A window with a minimum width of opening of 20 inches a window with a minimum height of opening of 24 inches a window with a minimum net clear opening the actual opening through which a person must crawl of 5 7 square feet a sill height no higher than 44. A 48 x 48 sliding egress window will add a lot of light and give the space a more non basement feel if the room allows this size window it s ideal. Therefore let us recap on the residential emergency escape and rescue opening requirements.

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. 3 these rules cover the minimum requirements. The sill of an egress window must be within 44 inches of a finished floor a minimum of 20 inches in width providing a clear opening and 24 inches in height providing a clear opening. Section r311 2 states the width of the clear opening of the required egress door must be at least 32 inches from the face of the door to the door stop at the jamb or the opening and the height of the opening must be a minimum of 78 inches from the door stop at the head of the opening to the top of the threshold.