Measuring Your Garage Door
Width
Measure Your Opening at the widest point .
This is the distance between the left and right sides of your finished frame’
The inside of the garage Door should be framed with 2×6 lumber
Height
Measure the height of the Door opening at the highest point
This is the distance from the floor to the bottom of the finished opening
Headroom
Measure the area between the top of the door opening to the lowest point on the ceiling
Doors require 15″ of headroom for standard tracks.
Additional 3″ is required for trolley operator
Doors can be installed in as little as 5″ of headroom
Sideroom
Measure the width of the sideroom available on the left and right side
Minimum of 4″ is required
Backroom
Measure the distance to the rear of the garage. This is commonly forgotten, include any bulkheads the drop lower than your openinal headroom . Door height plus an additional 18″ is required
An additional 50″ is required if a door opener is required
How To Measure For Broken Springs
Adam Smith’s famous book, The Wealth of Nations, published in Great Britain in 1776, distinguished between the outputs of what he termed “productive” and “unproductive” labor.