Buying Guide

Learn About Garage Doors

Most homeowners will buy or replace a garage door once in their lifetime. Chances are it's not something you know much about until you find yourself Googling garage doors. Check out our helpful 'How To Buy A Garage Door' Infographic that will give you a quick overview on the steps involved in shopping for a new door.

Browse by style or material using the links below. And visit our Where To Buy section to find a dealer or Home Depot near you when you are ready to buy.

How-To-Measure for your New Residential Garage Door

Use the drawing and instructions to measure your existing garage door. Take these measurements to your local installing dealer or retailer to purchase the Clopay® garage door that is right for you.

STEP #1

Measure the width and height (1 and 2) of your door opening in feet and inches to determine the garage door size you need. The rough opening should be the same size as the door.

Step #2

Measure area labeled sideroom left and right (3 and 4) - a minimum 3-3/4" is required on each side for installation of the vertical track for a standard extension spring, standard torsion spring and the EZ-SET® Torsion Spring System; 5-1/2" for the EZ-SET® Extension Spring System.

how to measure your garage door

Step #3

Measure area labeled headroom (5), which is the distance between the top of the door opening (jamb header) and the ceiling (or floor joist). 10" is required for the standard extension spring or EZ-SET® Extension Spring System while 12" is required for a standard torsion spring and EZ-SET® Torsion Spring System. If you have restricted headroom, special hardware is available. Additional headroom is required for installation of an automatic garage door opener. NOTE: If garage door height extends above the opening, the headroom measurement should be adjusted proportionately.

Step #4

Measure area labeled backroom (6) – distance is measured from the garage door opening toward the back wall of the garage. Door height plus 18" is required. Additional back room may be required for automatic garage door opener installation.

 

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