Measuring Garage Door Rails

There are five basic garage door track options although the first two are by far the most common ones used in residential installations.

Measuring garage door rails.

Measure the width of the opening at the widest point. The height of the garage door opening is the distance from the floor to the top of the garage door opening. Used for typical applications. For best results the inside of the garage door opening should be framed with 2 x 6 wood.

The final step in measuring your garage door involves measuring the garage s backroom. Measure the length of the garage door rails plus an additional 3 feet on either side. Most common garage door track. Stand on a stepladder and check the opening from top to bottom.

It s great if you have existing garage doors. Write down the numbers for future reference. This measurement is necessary to ensure that there is enough space for the horizontal portion of your garage door track. Look for general irregularities such as jambs which are not square.

To determine what size replacement rollers you need measure the width of the roller head and length of the attached shaft or stem. However you ll still want a friend handy to hold the stepladder for safety purposes. Measuring a coiling roll up garage door. 12 radius 12 required 15 radius 14 25 required sideroom 4 5 required backroom door height 16 required 3 track headroom 16 5 required sideroom 5 5 required backroom door height 25 required.

This is the distance between the right and left sides of the finished opening. Measure the width of the opening at the widest point. Simply take the measurements of your current doors in addition to the headroom and depth of your garage. The backroom is essentially the depth of your garage.

Springs act as a counterbalance to the weight of the door and stretch or torque to provide enough force to move the door. Therefore you should take accurate measurements of your garage so that the perfect sizing can be ordered or fabricated for your home. Measure across from one garage door rail to the other then double the number to account for the height of the rails. For new doors follow this guide for measuring the space.

For this measurement you can take advantage of gravity letting the tape measure fall to the ground. This is the distance between the right and left sides of the finished opening. This is a very important measurement that determines if you will need an extension kit when purchasing your diy operator.