Measuring Garage Door Rails

Stand on a stepladder and check the opening from top to bottom.

Measuring garage door rails.

The final step in measuring your garage door involves measuring the garage s backroom. Measure the width of the opening at the widest point. This is a very important measurement that determines if you will need an extension kit when purchasing your diy operator. This is the distance between the right and left sides of the finished opening.

Look for general irregularities such as jambs which are not square. Therefore you should take accurate measurements of your garage so that the perfect sizing can be ordered or fabricated for your home. Measuring a coiling roll up garage door. This is the distance between the right and left sides of the finished opening.

Standard radius track the most popular standard radius track is a 15 radius which requires 15 of headroom to accommodate the curve of the track and all other track components equipment. For this measurement you can take advantage of gravity letting the tape measure fall to the ground. To determine what size replacement rollers you need measure the width of the roller head and length of the attached shaft or stem. Measure across from one garage door rail to the other then double the number to account for the height of the rails.

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. Measure the width of the opening at the widest point. Springs act as a counterbalance to the weight of the door and stretch or torque to provide enough force to move the door. Measure the length of the garage door rails plus an additional 3 feet on either side.

Write down the numbers for future reference. Most common garage door track. There are five basic garage door track options although the first two are by far the most common ones used in residential installations. Look for irregularities such as jambs which are in poor condition or not square.

The height of the garage door opening is the distance from the floor to the top of the garage door opening. For new doors follow this guide for measuring the space. This is measured along the ceiling from your garage door opening to the farthest point at the rear your garage. It s great if you have existing garage doors.

Used for typical applications. The backroom is essentially the depth of your garage. For best results the inside of the garage door opening should be framed with 2 x 6 wood.