Awning Window Height From Floor

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.

Awning window height from floor.

Regardless of style all windows must meet certain minimums which are. For example a window that measures 60 in height would have an awning that has a 30 projection. Minimum width of opening. 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.

A standard projection b would be approximately half the height of your window. 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. 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.

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. Minimum height of opening. Refer to the drawing. Similarly many windows can be set lower than the common height of 3 feet above the floor.

Traditionally that height was meant to allow the placement of furniture under the sill. Maximum sill height above floor. You can choose either projection this will change the height of the awning and how far it projects out from the wall.