At the bottom of the opening.

Storm door measuring guide. Emco custom door opening heights: Measure door opening in order to determine the size storm door you need. Choose the door handing that works best for your entryway.

Check to ensure door opening and trim allow enough space for a storm door. Do this measurement about 6 inches from the opposite door jamb. Minimum ¾width flat trim surface required.

Inspect that you have sufficient space to attach the storm door. For height, measure from the bottom of the threshold to the top. If your measurements are outside the standard width or height ranges shown, you will require a.

One at the left side of where the door will. Deep mounting surface is required. Take three measurements, one across the top, middle and bottom of the door (a, b, c).

Write down or remember each measurement and make a note of the smallest. Measuring a storm door can be tricky. At the top, at the middle, and.

How to measure for a storm door (4 easy steps) reviewsconsults.com. Measure vertically from where the door will sit (the threshold) to the top interior edge of the trim. Learn how to measure your opening to select the right storm door for your home.