This is the distance between the right and left sides of the finished opening.
How to measure garage door hinges.
A rule of thumb for most gate hinges tee hinges excepted is that the hinge length should be one third of the width of the gate or door it is fitted to for normal domestic use.
Lay the open hinge on a flat surface.
10 is required for the standard extension spring or ez set extension spring system.
So a 900mm 3ft wide or therabouts wide gate would be fine with a 300mm 12 hinge.
If you need to measure the rough opening meaning the wall around the door isn t fully finished you ll take the width by measuring from the 2 4 on the left to the one on the right.
Hold a tape measure to the edge of the door and record its thickness.
Remove the screws from the middle hinge of the door with a phillips screwdriver.
Measure area labeled headroom distance between the top of the door opening jamb header and the ceiling or floor joist.
To get the thickness simply open the door and measure the inner edge where the lock is.
For best results the inside of the garage door opening should be framed with 2 x 6 wood.
Since the distance between the bottom of the hinge and the center of the top hole is 1 1 2 inches in the example above we can look at the following chart and discover that this is a number 4 hinge.
Make sure that you place the hinge on a flat surface and measure to the middle of the circle.
12 is required for standard torsion spring and ez set torsion spring system.
Measure the width of the opening at the widest point.
Look for general irregularities such as jambs which are not square.
Most doors require a minimum of two hinges.
How to measure a door hinge.
The common sizes for door residential door hinges are 3 and 3 1 2.
Lay the top hinge against the side of the door with the top edge on your mark.
Door hinges are measured by the dimensions when the hinge is open and lying flat.
Measure the distance from one side of the hinge across the hinge to the.
If the hinge sticks due to paint buildup.
A 3 1 2 x 3 1 2 hinge will be 3 1 2 high have a center pin and two plates that are approximately 1 1 2 wide.
Figure out the thickness of the door.
They can come with both square and rounded corners.
One hinge is located 7 inches from the top of the door frame and the other hinge is located 11 inches from the bottom of the door frame.
Measure this edge on the door frame known as the jamb as well.
These numbers should be close to the same but it can be helpful to know both of them.
Make another mark on the door through the center screw hole of the hinge.
The most common thickness is 1 75 inches 4 4 cm.