What are the frame hinge locations for a 9 0 door opening.
How many hinges on an 8 foot door.
Many hinges per door.
As a general rule you will want to use 1 hinge per every 30 inches of door or fraction thereof.
The hinge spacing on a 9 0 frame opening height is 29 19 64.
Doors up to 60 inches need 2 hinges.
Wood metal door and hollow metal frame door is inset approximately 1 8.
This thread includes a handy chart for deciding when a door large or heavy enough to require a third or fourth hinge.
7 8 2017 9 54 05 pm.
The third hinge is centered between the top and bottom hinges.
Of hinges up to 5 1 52 2 7 52 29 3 10 3 05 4 12 53 81 5 15 4 57 6.
For doors over to 2 1 4 thick the hinge is set back 3 8 from the back face of the door.
August 12 2014.
For doors up to 2 1 4 thick the hinge is set back 1 4 from the back face of the door.
The result is your door weight in pounds.
This thread includes a handy chart for deciding when a door large or heavy enough to require a third or fourth hinge.
Doors over 60 inches but not over 90 inches need to use 3 hinges.
Once these dimensions are known the formula can then be applied.
To calculate your door weight multiply the size of your door in square feet times the number in the chart above pounds per square feet.
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 due to the the fractional calculations the bottom hinge cl may vary plus or minus 1 64 center two hinges are equally spaced between top and bottom.
Referring to door height.
For example if you have a 1 3 4 thick door that is 8 0 by 3 2 and made out of oak you would calculate the square inches of the door 96 x 38 3648.
Of hinges required per door door height feet meters no.
From head to centerline of each hinge 4 1 2 or 5 is 9 3 4 39 3 64 68 11 32 97 41 64.