You can find the materials to replace a screen with a flat spline in any hardware store and do the repair yourself in very little time. Flat splines are used in window and door screens to secure the screens inside the frame without adhesives. The Screen Tight system easily accommodates openings of up to 40 square feet with a secure, tight grip. Square Tube Protective and Finishing Moldings for Mirrors Extruded Aluminum Commercial Door Threshold Caulking, Insulating Foam and Glazing Spline. What is flat spline?ДЄ spline is a flexible strip used to ease two different materials together. Screen spline rolls into the spline groove. PVC ribbed screen spline is a flexible plastic that allows for a quick, easy fit of the screen into the channel where the spline slides. Even though the material is plastic, it is soft and resilient to provide a comfortable fit for the window and door components.

You can replace the aluminum and steel spline with 1/4' diameter plastic, either polyfoam or vinyl.

Many companies used hollow square aluminum tubing and even solid 1/4' steel rod for spline back in the 1950s and 1960s. Ribbed PVC screen spline is compressed for an easy fit. It has no spline, and seems that they use solid aluminum splining strips. Frequently Asked Questions What is screen spline used for in screens?ДЄ screen roller or spline roller is a small hand tool used to press screen mesh into the edges of a window frame that is fluted on the inner edges, or to press in the retainer spline that holds that mesh in place. For first-timers, this job goes faster with a helper to hold the screen in place while you attach it to the frame.

Square screen spline