How to Measure aNd Order Correct Size Roll Up Door

Order doors to exact dimensions of inside measurements of jamb to jamb for width, and bottom of header to floor for height. Rollup door companies know to lap over sides.

How to measure rollup doors:

Inside the Jamb

Measure INSIDE THE JAMB from side to side for door width. See side clearances on door installation guides.


HEIGHT is measured inside BOTTOM OF HEADER to FLOOR. Door will mount above opening.


11’= width from inside jamb to inside jamb

10’ = height from bottom of header to floor.

Door order size would be 11’ wide x10’ tall.

Door company will over lap sides. For side room overlap please see door series specs.

Refer to installation guide for series number doors ordered for actual clearances required.

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