BUILD OR REPAIR WINDOW SCREENS – Build, repair, and replace missing or damaged window screen frames with this aluminum frame with all needed material enclosed in factory sealed package BLOCK THE SUN – The aluminum window screen frames may be used in combination with solar screen fabric to create effective sunscreens that mount on the outside of your windows to block most of the sun's hot rays from entering your home CHOOSE THE RIGHT SPLINE – The screen frame replacement is constructed with a thicker spline channel for added support, spline is included in packaging INSTALLATION – With everything needed in this screen frame kit to make brand-new window screen frames, you can easily replace one that is missing or damaged; replacement screen frame materials are straightforward to work with, cut to size, and assemble SCREEN FRAME CORNERS – The aluminum screen frame measures 5/16 inch x 3/4 inch x 36 inch x 36 inch; for further dimensional information, please see the line drawing (not Universal)