Hinge Heights On Internal Doors
An 80 inch door is called a 6 8 door pronounced six eight.
Hinge heights on internal doors. Referring to door height. As a general rule you will want to use 1 hinge per every 30 inches of door or fraction thereof. This is the most common height for passage doors that lead from one room to another. For a standard internal door its door lock is normally 42 from the floor to the centre of the latch.
Doors over 60 inches but not over 90 inches need to use 3 hinges. Opening heights 3 0 through 4 11 15 16 one pair butt hinges from under head cl 9 3 4 top of door 9 5 8 from bottom of frame cl 10 3 8 bottom of door 9 5 8 2. The upper hinge is 7 from top of door to top of hinge the bottom hinge is 9 from the floor. Doors up to 60 inches need 2 hinges.
For a slab door measure the width height and thickness of the door. Opening heights 5 0 through 7 6 one and one half pair butt hinges from under head cl 9 3 4 top of door 9 5 8. Standard interior door height is 80 inches. All 4 1 2 and 5 butt hinge spacing.
Standard widths for interior doors are 24 28 30 32 and 36 inches while the height must be a minimum of 80 inches.