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How to Replace a Window Screen

Replace torn or damaged window screen mesh in an existing frame

Beginner15-30 minutes per screen$10–$307 steps3 min read
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What You'll Need

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Tools

Flathead screwdriver

Amazon

Spline roller tool

Amazon

Utility knife or scissors

Amazon

Tape measure

Amazon

Materials

Screen mesh

Fiberglass or aluminum

$8-$15 per roll

Amazon

Screen spline

Rubber cord that holds screen in frame

$3-$8

Amazon

Step-by-Step Instructions

1

Remove screen from window

2 minutes

Most screens have tabs or springs that allow removal. Press the tabs and push out, or lift up and pull the bottom toward you. Lay the screen frame on a flat work surface.

2

Remove old spline and screen

5 minutes

Use a flathead screwdriver to pry up and remove the old spline (the rubber cord in the frame groove). Pull out the damaged screen material. Clean the groove of any debris.

Pro Tip

If the old spline is still flexible and not cracked, you can reuse it. But new spline is cheap and works better.

3

Cut new screen material

2 minutes

Lay the new screen material over the frame. Cut it about 2 inches larger than the frame on all sides. This excess will be trimmed after installation.

Pro Tip

Ensure the screen weave is aligned with the frame edges for a neat appearance.

4

Install screen starting at a corner

5-10 minutes

Lay the screen over the frame. Starting at one corner, use the convex (rounded) wheel of the spline roller to press the screen into the groove. Then use the concave (grooved) wheel to press the spline on top of the screen into the groove.

Pro Tip

Pull the screen slightly taut as you work to prevent sagging, but don't stretch it too tight.

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5

Work around the frame

5-10 minutes

Continue around all four sides of the frame, pressing screen into groove first, then spline on top. At corners, you can either cut the spline and start fresh or make a sharp bend and continue.

Pro Tip

Keep even tension on the screen as you go. If it sags in the middle, you can redo a section.

6

Trim excess screen

3 minutes

Using a sharp utility knife held at an angle against the outside of the spline channel, trim away excess screen material around the entire perimeter.

Warning

Cut away from yourself and be careful not to cut the spline or frame.

7

Reinstall the screen

2 minutes

Place the screen back in the window. Most push in and click, or slide into a track. Test that it fits securely and the window operates normally.

Common Mistakes to Avoid

  • Screen too tight (causes frame to bow)
  • Screen too loose (sags in the middle)
  • Using wrong size spline (too big won't fit, too small won't hold)
  • Not cleaning groove before installing new spline

Safety Warnings

  • Use caution with utility knife when trimming
  • Work on a stable, flat surface

When to Call a Professional

If the screen frame itself is bent or damaged, for custom-shaped screens, or for security screens that require special tools.

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Frequently Asked Questions

How difficult is it to replace a window screen?
This project is rated as beginner difficulty. Most homeowners with basic tools can complete this project. It typically takes 15-30 minutes per screen to complete.
How much does it cost to replace a window screen?
The estimated cost for materials is $10–$30. This doesn't include tools you may need to purchase. Many of the tools required are common household items you may already own.
What tools do I need to replace a window screen?
You'll need: Flathead screwdriver, Spline roller tool, Utility knife or scissors, Tape measure.
How long does it take to replace a window screen?
This project typically takes 15-30 minutes per screen. The actual time depends on your experience level, the specific conditions of your home, and whether you encounter any complications. It's broken into 7 steps for easy tracking.
What are common mistakes when trying to replace a window screen?
The most common mistakes include: Screen too tight (causes frame to bow). Screen too loose (sags in the middle). Using wrong size spline (too big won't fit, too small won't hold). Following our step-by-step guide will help you avoid these issues.
Should I hire a professional to replace a window screen?
If the screen frame itself is bent or damaged, for custom-shaped screens, or for security screens that require special tools.

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Project Overview

Difficulty
Beginner
Time
15-30 minutes per screen
Est. Cost
$10–$30
Tools
4 items
Materials
2 items
Steps
7
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