Doors up to 60 inches need 2 hinges.
Hinge spacing on interior doors.
Location of hinges on doors us standards procedure top hinge 5 127mm from frame rabbet to top of barrel.
Doors over 90 inches but not over 120 inches 4 hinges are recommended.
Light hollow core doors that are 6 8 only require 2 hinges with a cheap pin.
All 4 1 2 and 5 butt hinge spacing.
Make another mark on the door through the center screw hole of the hinge and trace the outline of.
Bigger solid core doors require 3 or 4 or more hinges with ball bearings.
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.
On 3 1 2 hinge preparation for 1 3 8 doors the standard for 6 8 non fire rated frames is two 2 hinges.
Bottom hinge 10 254mm from bottom edge of barrel to finished floor.
Third hinge centered between top and bottom hinges.
How to determine hinge spacing on a 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.
Measure 10 inches from the bottom of the door and make a mark with the pencil.
Lay the hinge on the edge of the door with the bottom of the hinge on your mark.
However manufacturers do periodically revise their hinge and strike spacing therefore the sdi strongly recommends that individual manufacturers be contacted to verify dimensions.
Doors over 60 inches but not over 90 inches need to use 3 hinges.
Hinges are generally spaced out equally to also keep the door straight.