According to the 2018 irc all windows that are more than 6 feet above the grade outside the window must have a bottom opening a minimum of 24 inches above the room s interior floor.
Height from floor to bottom of header for a window.
This is also the top of the jack studs.
Window placement is greatly varied as exemplified by the narrow windows placed real high in 1950s tract housing and the low and tall openings located almost on the the floor in suburban mansions of recent years.
Reduce the size of a window by making new a new header at the top sill plate at the bottom and short studs between those.
If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.
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.
The truth is that there is no normal height of a window from the floor.
High studs it established just the right height for windows and doors fig.
The finished 3 1 2 in.
Exceptions can be made for windows that do not open more than 4 inches or that have window guards or opening control devices in compliance with astm f2090 17.
If you are creating an opening no wider than 4 feet for a door or smaller window then you need a 2 by 6 header.
If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers.
When we installed the headers even with the top of the standard 92 5 8 in.
Window height varies by location style and period.
Any way this sets the tops of your doors and windows at the same height thoughout the house.
Plus 1 2 in were the same thickness as the 2 4 wall framing 3 1 2 in.
As i was taught to frame when building walls door and window openings i was always taught to set my header height at 82 1 2 inches some guys prefer 83.
Thick headers 1 1 2 in.
If you re a novice framer then this is the height of the bottom of the window and door headers.
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.