How thick transparent plate can be used for the balcony ceiling to prevent snow?

Three millimeters. Because the snow is very heavy after accumulation, the snow-proof transparent plate installed on the balcony ceiling should not be too low. In order to ensure that the transparent plate can bear the weight of snow, it is necessary to use the outdoor transparent plate with the maximum thickness of 3 mm The transparent plate is a kind of plate with very high light transmittance, which is a new material and can also be used to make decorative materials, laminated glass and tempered glass.