Garage Door Track Radius Measure

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.

Garage door track radius measure.

Nearly all residential garage doors have a track radius of either 12 or 15. The amount of headroom in a garage is the determining factor between either a 12 inch or 15 inch radius. A 12 radius has a sharper track curve and opens lower. A sharper curve exists on the 12 inch radius and it opens lower than the 15 inch version.

One quick rule of thumb in finding out what you have is to measure the height of the track stopping at the bottom. For best results the inside of the garage door opening should be framed with 2 x 6 wood. Anything between 91 93 inches is a 15 track radius. Step 1 measure the width of the opening at the widest point.

Look for general irregularities such as jambs which are not square. There are five basic garage door track options although the first two are by far the most common ones used in residential installations.