Awning Window Height From Floor
For example a window that measures 60 in height would have an awning that has a 30 projection.
Awning window height from floor. The bottom height or sill of the window can vary within a room without affecting its visual appeal but the head heights must be uniform especially in the corners. Similarly many windows can be set lower than the common height of 3 feet above the floor. Regardless of style all windows must meet certain minimums which are. The 2018 irc continues to require the bottom of openings created by operable windows to be a minimum height of 24 inches above the adjacent interior floor when they are more than 6 feet above the grade outside the window.
Any windows in a door must have tempered glass no matter the height unless it is too small for a 3 inch ball to pass through the window. Minimum net clear opening. Refer to the drawing. If you are installing windows within 2 feet of a door and lower than 5 feet from the ground you need tempered glass in the windows even though these might be higher than 18 inches from the ground.
A standard projection b would be approximately half the height of your window. Maximum sill height above floor. But if nothing is in front of the window lowering the sill will increase ventilation the more operable glass the greater the air flow and allow you to bring in. This translates to 6 foot 8 inches off the floor when you have an 8 foot high ceiling or 8 feet off the floor for a 9 or 10 foot ceiling.
Minimum height of opening. An exception from this requirement also remains in the 2018 irc for windows that do not open more than 4 inches or that are. Minimum width of opening.