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A Guide to Fixing Common Window Screening Spline Issues

May 23, 2023

Window screens are a crucial aspect of any home. Not only does do they help in making your house more energy efficient, but they also keep out insects, mosquitoes, and bugs. It is essential for window screens to fit perfectly in their frames. This is where screening splines come in. Foam splines are used to ensure that the window screen is tightly fit within the window grooves. However, with time, there can be certain issues with foam splines. But don't worry, we've got you covered! In this guide, we'll walk you through some common problems with window screening splines and show you how to fix them.

Common Problems With Window Screening Splines and How To Fix Them

One of the most common problems with window screening splines is that they can become damaged or worn over time. This can lead to a variety of issues, such as holes in your screens, gaps around the edges, and even insects and other pests getting into your home.
One option is to simply replace the spline altogether. To do this, you'll need to remove the old spline using a small screwdriver or similar tool and then insert the new one in its place. Another option is to use adhesive tape or glue to reinforce any weak spots in your existing spline. This method works best for minor damage or wear and tear.
Sourcing top-quality spline in the first place is one of the best ways to ensure durability. You can rely on Alcot Plastics Ltd. to source foam screening splines at the best rates.


Fixing common window screening spline issues is a crucial part of maintaining the functionality and appearance of your home's windows. Whether it's repairing or replacing old, worn-out splines or addressing gaps in the screening caused by improper installation, taking care of these issues can save you money on energy bills and prevent unwanted pests from entering your home. By following the tips outlined in this guide, you'll be well-equipped to tackle any window screening spline problems that arise. Remember to get in touch with us at Alcot Plastics Ltd. for all your screening spline needs. We are the leading manufacturer of polyethylene foam products, including backer rods and pool noodles. Contact us today to learn about everything we can do for you.