Installation skills of screen window

Screen installation skills are as follows:

1, first distinguish the front of the screen window.

2. The surface of the screen window without groove is the front, and the surface with groove is the back.

3. The side without wheels is on it.

4. The wheels on the side are below.

5. Counting from the inside to the outside of the window frame, the first layer of groove is the place where the screen window is inserted above.

6. Hold the middle and lower parts of the screen window with both hands, and insert the upper part of the screen window into the first groove of the window frame above it.

7. Insert the lower beam part of the screen window into the first groove of the window frame below it, so that the screen window is installed.