How To Measure Garage Door Track Radius. To measure the track radius measure from the top of the vertical track to the straight part of the horizontal track. Measure the distance from the opening to the rear of the garage or nearest obstruction.
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There are five basic garage door track options, although the first two are by far the most common ones used in residential installations.
There are five basic garage door track options, although the first two are by far the most common ones used in residential installations. Track option doors provide such a classic design style with a functioning garage door built to modern expectations for practical use. Measure the area between the top of the door opening and the ceiling (or to the lowest obstruction at ceiling). This determines the size of door needed.