Standard doorway widths vary from 18 to 36 inches and are available in 2 inch increments.
How many cm is a standard door frame.
The most common door frame widths are 762mm as they can accommodate the most regularly sized door.
The standard height of the rough opening for a door is the door height plus 2 5 8 inches.
For example commonly available widths include 18 20 22 24 26 28 30 32 34 and 36 inches.
The additional room allows for a 3 4 inch top jamb a shim.
The height of common doors is 6 feet 8 inches.
Standard interior door jamb thickness on pre hung doors is 4 9 16 inches.
In scotland the most common door frame width is 726mm.
However the door frame size you require depends on the opening within the wall which can vary from building to building meaning there is no standard door frame size.
The door jamb is the frame that installs in the wall and supports the door via hinges.
The most typical door frame width in england wales is 762mm.
Door frames can be supplied pre assembled or in component parts which can be cut to size to fit all door sizes.