If the open doorknob is on your right side it s a right hand door.
How to find which garage door hinge.
The hinges between the second and third panels will be 2 hinges.
The hinges that hold the rollers or end hinges between the bottom panel of the door in california and the next highest panel should have the number one.
To determine the door swing while replacing an existing door step into the doorway with your back to the hinges standing sideways in the opening facing the jamb where the door latches.
The hinge above that should have the number two and so on.
Doors leading to and from your garage most residential hinges for your exterior doors will come in one of the following sizes and have a zig zag hole pattern.
If you cannot read this number or cannot find it measure the distance from the bottom of the hinge to the middle of the top circle on the side of the hinge.
The hinges between the third and fourth panels will be 3 hinges and so on.
Located between the third and fourth door panel sections replacing your garage door hinges is only the first step in the process.
When you look at a garage door from the inside there are hinges up the left side of the door up the right side and in the middle section and they all have names and numbers.
Be sure to select the appropriate gauge and material type for your application and environment.
Most of the time you can read the number stamped into the hinge.
Along each side of the door from bottom to top the first item is not a hinge but a lift bracket.
Replacing an existing door.
Usually the hinges between the bottom panel and the second panel will be 1 hinges.
Garage door panel hinges are numbered based on where they are used on your door.
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Once your new hinges are installed you will want to inspect them regularly or at least twice per year to check for bends cracks and other signs of damage.
There is also something called a template hole pattern which has a crescent half moon shape.
It is important to match hinges by size.
All commercial hinges are imprinted with their numerical size ie 1 2 3 etc.
When it comes time to replace your garage door hinges it may also be a good idea to replace your rollers.
Make sure that you place the hinge on a flat surface and measure to the middle of the circle.
The hinges on the edges of your garage door that hold the garage door rollers will be numbered.