Recently, the after-sales department of our company received a call from a customer to report that "my window sill PC solid sheet sun visor often makes noises (it is not raining outside), what is the reason?" Pinai will break it down for you from the following 5 points:
One of the reasons for the polycarbonate sheet: when the board was not flattened when the board was locked, it was hard locked, resulting in the surface of the endurance board often being heated and contracted.
PC Sheet Reason 2: The PC solid sheet extends too deep into the upper edge of the inner wall of the window and is not locked, which will easily make it slap the wall and make a sound
The third reason for the Plastic Sheet: When the PC endurance board is locked, the distance between the screws is too far away, so that the elasticity of the PC board is affected by the wind, thermal expansion and contraction, and the frame makes a sound.
The fourth reason for the sun board: It may be that the joints of the two PC endurance boards are degummed, resulting in the sound of beating the skeleton due to wind and thermal expansion and contraction
The fifth reason of PC sunshine board: Even if the screw is loose or broken, it may also cause the sound
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