We start by measuring the width and height of your door rounded up to the nearest whole inch to find out what size replacement door you need.
Measuring for a replacement screen door.
To measure the height of the door extend your tape measure vertically from one end of the door panel to the other.
Measure the opening width horizontally as shown below.
Take three measurements one across the top middle and bottom of the door a b c.
There are different types of screen doors depending on the manufacturer of the patio door but for a generic screen measurements can be taken so the proper size screen can be installed.
Multiple measurements ensure a correct screen door fit whether you re buying a metal framed or wood framed door in a ready made or do it yourself kit version.
Locate the header at the top of the track on the inside of the patio door.
This means a screen door with a width that measures 34 inches 86 cm can fit frames from roughly 33 875 inches 86 04 cm to 34 375 inches 87 31 cm.
There will be some variation in the height measurements as well.
Record the narrowest dimension.
Measure the opening height vertically.
Height measurements may vary a few inches as well.
An 81 in 210 cm door can usually fit in an opening that s 80 inches 200 cm to 81 inches 210 cm.
Some suppliers offer more sizes.
Our team of professional door installers can handle this for you.
Door measurements need to be very precise to get the right fit so professional measurement is recommended for this project.
Take the smallest measurements from the door width and door height and write them in width x height format.
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Estimate the door measurements.
For instance a screen door that says it measures 34 inches can fit frames that measure around 33 875 inches and up to 34 375 inches on average.