Patio Doors Checklist

A patio door is your family’s gateway to outdoor celebrations and relaxation. Let us help you find the right one, so you can start celebrating and relaxing sooner.

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How to shop for patio doors

Start with the basics.

Not sure where to begin? By the end of this guide you should be able to walk into a store with an idea of what you want.

Make your own checklist.

As you’re learning about patio doors, use our checklist to keep track of things you’d like to discuss with a Lowe’s sales associate.

When you’re ready, talk to us.

We’ve got patio door experts ready to help you in our store. We can give you an installation quote while you’re there.

Pella Sliding Patio Door

Consider Going Pro

Skip the hassle of needing to accurately measure your patio door and frame.

You don’t have to worry about accidentally voiding your warranty.

A pro will clean up the mess and dispose of your old patio door.

If you go DIY, here’s how to measure your patio door.


Measure distance between the side door jambs at three points: the top, middle and bottom of the patio door opening.


Next, measure the distance between the top of the head jamb to the top of the bottom sill at three points: far left, center, and far right.


Measure the width of the jamb, from edge to edge, across the existing door frame. Ignore any door trim.

Learn about our different types of patio doors.

When you’re thinking about your patio door type, consider the amount of sunlight and open space you have now versus the amount you’d like to have.

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