All 4 1 2 and 5 butt hinge spacing.
Hinge spacing on interior doors.
Lay the hinge on the edge of the door with the bottom of the hinge on your mark.
Doors over 90 inches but not over 120 inches 4 hinges are recommended.
Doors over 60 inches but not over 90 inches need to use 3 hinges.
Third hinge centered between top and bottom hinges.
How to determine hinge spacing on a door.
Bigger solid core doors require 3 or 4 or more hinges with ball bearings.
As a general rule you will want to use 1 hinge per every 30 inches of door or fraction thereof.
However manufacturers do periodically revise their hinge and strike spacing therefore the sdi strongly recommends that individual manufacturers be contacted to verify dimensions.
Bottom hinge 10 254mm from bottom edge of barrel to finished floor.
The top hinge is a little closer to the top usually about 7 as it is always in tension with the forces applied.
Make another mark on the door through the center screw hole of the hinge and trace the outline of.
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.
Referring to door height.
Light hollow core doors that are 6 8 only require 2 hinges with a cheap pin.
Doors up to 60 inches need 2 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.
Location of hinges on doors us standards procedure top hinge 5 127mm from frame rabbet to top of barrel.