Phifer 0.140 in. x 25 ft. Gray Spline
Spline is a type of vinyl cording that fixes the screening material into the frame. Spline is rolled into the grooves using a spline roller or screen mouse -- tools that are specifically designed to make it easier to press the spline into the grooves in a smooth, fluid motion.
Spline is measured by diameter, which determines the thickness of spline you’ll need to secure your screen to the frame. The charts below can show you which type of spline you should use for your screen. The spline itself is flexible and able to be rolled into grooves that are thinner than it is wide. This is to be sure the spline doesn’t pop out -- and your screen along with it!
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