Installation Overview
Garage Door Installation
How-To-Measure for your New Residential Garage Door  Use the drawing and instructions below to measure your existing garage door. Take these measurements to yourlocal retailer to purchase the Clopay garage door that is right for you.
Step #1 Measure the width and height 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 - 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.
Step #3 Measure area labeled "headroom," 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 door height extends above the opening, the headroom measurement should be adjusted proportionately.
Step #4 Measure area labeled "backroom" – 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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| 1.Remove exisiting garage door |
2.Attach hardware to door section |
3.Place sections in opening |
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| 4.Install track, insert rollers |
5.Attach springs and connect cables |
6.See illustrated installation instructions included with all Clopay garage doors |
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Call our installation help line at 1-800-2CLOPAY (1-800-225-6729) with any questions. |