Standard torsion spring install supplement 637kb.
How many spring hinges need on a door.
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This will reduce the friction and allow the door to close more smoothly.
Refer to the specifications that came with your hinges to determine how many spring hinges you need.
The number of knuckles can go down or up depending on the design of the hinge.
If there is a door closer on your door you will want to be sure to have a bearing hinge.
Doors 90 120 need four hinges.
Features standard torsion spring supplemental install instructions.
Most hinges today are sold in pairs.
Unfortunately if you only had to replace hinges for one door you would need to order two pairs of hinges.
A couple things to make a note of before purchasing your door hinges.
Most doors have three.
Doors 60 90 need three hinges.
If you re using hinges that are smaller than 4 inches use one spring hinge on doors weighing.
Referring to door width.
Always apply at least two spring hinges.
The torsion spring distributes the garage door s weight evenly which is critical with a wide and or extremely heavy door.
The most common type of butt hinge is a five knuckle hinge.