Take three measurements, one across the top, middle and bottom of the door (a, b, c).

How to measure for a storm door lowes. Measure across the inside of. Record your measurements and take them to your nearest larson dealer. Measure the opening width (horizontally) in.

The measurement you take will be the overall width. To measure the width of a storm door, use a tape measure. Take three measurements, one across the top, middle.

Before installing the door, inspect the wood jamb and trim around your door opening to make sure it is secure and will support the weight of your storm door. Measure the width at the top, center and bottom. Measure the opening width (horizontally) as shown below.

Measure the opening height (vertically). Before you start collecting any measurements for the storm door, you want to make sure you actually have the room for it. Emco custom door opening heights:

Emco custom door opening widths: Use a level to make sure the door. Carefully measure the height and width of the door frame.