1. Find a screen from an actual window that fits properly. 
  2. Measure the Width and the Height of the Aluminum Screen Frame from OUTSIDE TO OUTSIDE .
  3. Measure the thickness of the screen frame.
    It will be one of the following:  5/16", 7/16"
    This measurement is very important - make sure it is checked carefully.
  4. Choose the color of the screen frame Mill (aluminum color), White, or Bronze (dark brown).
  5. Determine from the pictures below what type of frame and  hardware is on your screen.



Frame Thickness