How to Measure for a Garage Door

1. Measure Width & Height

The width and height of the garage door opening is the same size as your new garage door.

2. Measure Sideroom

This is the width of the areas on the left and right of the garage door opening. Opening must be at least 3-3/4" on each side.

3. Measure Headroom

This is the distance between the top of the door and the ceiling (or 1st obstruction). Distance required for most doors with an opener is 15".

4. Measure Backroom

This is the distance from the garage door to the rear of the garage (or 1st obstruction). This must be at least the door height plus 18"; or door height lpus 50" if an opener is installed.

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