Measure the left or right.
How to measure door size for screen door. Learn how to measure a door opening to install a swinging screen door. Measure the top or the bottom frame. If you are installing a screen door, you will use the largest measurement to purchase the door.
The width needs to be measured in three places. Record your measurements and take them to your nearest larson dealer. Measure the width of the jamb without the trim.
Then enter the width and length of the purchase. They are at the top. Hinges can be placed on.
The measurement of width is slightly tricky compared to the height. The procedure of measuring width is three times, and it can be described as w1, w2, w3. Firstly measure the width of the door frame and secondly measure the height.
Meanwhile, height measurements vary widely. Be careful not to input the reverse. Write down all 3 measurements.
Measure the opening width (horizontally) as shown below. Measure the left or right side frame. Last, subtract 1/4 (or 0.25) inch from the width of your door frame.