Sliding Screen Door Measurement Guide

Are you in the market for a screen door for your patio or porch? Before you make a purchase, it's crucial to know how to measure sliding screen doors accurately. A well-fitting screen door not only keep pests at bay but also lets the fresh air in, maintaining that pefect indoor-outdoor balance. So, how should you measure a sliding screen frame?

Step-by-Step Measurement Guide

1. Measurements For A New Screen Door

When fitting a patio screen door to a sliding door frame with no screen door, it's essential to consider precise measurements for a perfect match. Here's how to measure it correctly:

A. Height Measurements

Before taking height measurements of your custom screen frame, identify the type of track system on the upper side of your glass sliding door. There are two types:

a) Ridge Channel: Place the measuring tape from the tip of the bottom ridge track to the base of the top ridge channel. Take at least 3 readings across the frame, choose the smallest, and add 1/4 inch. This allows your screen door to adjust and gives it enough space to roll easily along the tracks.

b) U Shaped Channel: Position the measuring tape inside the channel on the top side, then pull it down to the tip of the bottom track (ridge channel). Measure at least 3 spots across the frame (left, right, and center), choose the smallest, and deduct 1/4 inch. This adjustment is vital for the smooth rolling of your screen door.

B. Width Measurement

Measure from the side jam's base to the inner edge where the glass panel begins in the glass door frame. Add 1/2 inch to this measurement, allowing the bug strip to close securely against the glass. Take three measurements (top, center, and bottom), choose the smallest, and add 1/2 inch to ensure a snug fit.

C. Screen Door Handle

Depending on the handle's placement on your sliding glass door, you can choose:

a) Above Glass Door Handle: Measure from the bottom ridge track to the top of the glass door handle and add 125mm.

b) Below Glass Door Handle: Measure from the bottom ridge track to the bottom of the glass door handle, then deduct 60mm.

By making these adjustments while placing the door handle of your patio or porch screen, you prevent it from interfering with the door handle of the sliding glass frame. 

2. Measurements From An Existing Screen Door

If your patio sliding door has an existing screen door, follow these steps to take accurate measurements:

Door Widths: Measure the top, middle, and bottom widths of the existing screen door. Take the largest measurement of the three to ensure a proper fit.

Door Height: Measure from the top to the bottom of the screen door on both the left and right sides. Take the shortest of the two measurements for a perfect match.

Door Handle: For placing the sliding screen door handle, you can use the same height as the existing screen door. However, make sure that the new handle doesn't interfere with the glass door handle.

Common Pitfalls To Avoid

During the measurement process, there are a few common pitfalls that you should steer clear of:

  • Assuming All Openings Are Square

Many homes have slightly irregular doorframes. Always measure both width and height at multiple points to accommodate these variations.

  • Overlooking the Depth

Don't forget to measure the depth of the frame. For a sliding door, this dimension is crucial to ensuring smooth operation.

  • Not double-checking

Always double-check your measurements. A single mistake could lead to an ill-fitting door.

  • Not Considering Overlap

If your door slides, ensure that you measure for the overlap so it covers the entire doorway when closed.

Frequently Asked Questions

1. What is the standard size for a sliding screen door?

The standard size for a sliding screen door is typically 80 inches in height and comes in various widths to fit different door frames.

2. Which material is best for a sliding screen patio door?

The best material for a sliding screen patio door often depends on your specific needs and preferences. Common materials include aluminum, fiberglass, and vinyl-coated polyester.

3. Do sliding screen doors come with bug strips?

Yes, sliding screen doors often come with bug strips, which help keep insects out when the door is closed.



Accurate measurements are essential when choosing a sliding screen door. Our guide covers all the basics you should know so you can pick the right size door that fits your needs. Don’t forget to measure the height and width of the door frame and note down your measurements clearly.