Egress Window Height Off Floor

Egress window logic and the building code.
Egress window height off floor. When a door is being used to meet the egress requirements it must be either a side hinged door or a slider. The minimum egress window opening is 20 wide. Where to install windows with tempered glass is not just dictated by the height of the window. Most of us home inspectors know that the irc 2012 irc 310 1 requires a sill height of not more than 44 inches measured from the finished floor to the bottom of the clear opening.
An illustrated guide to the building mechanical and electrical codes by redwood kardon et al conditions requiring a window to have tempered glass include a window lower than 18 inches from the ground larger than 9 square feet in area with a top higher than 3. 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. Well lets look into this a bit. The minimum opening area of the egress window is 5 7 square feet.
The old saying always leave yourself an out is especially true when it comes to home fires. For determining egress window sizes and placement the international building code holds that every bedroom must contain at least one egress window. Also note that if a window is being used to meet the egress requirements in addition to the above the sill height of the window shall not be more than 44 inches above the finished floor. According to code check complete.
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.