If in theory, the more layers, the better. So is there any better in the actual use? Here I share your reference exchange with personal experience:
First, the advantages of the multi-layer board: the number of layers is much better, the insulation is good, and the support is stronger than the two layers.
Second, the shortcomings of the multi-layer board: for the canopy with arched curvature, the more the number of layers, the greater the impact on the use period.
Third, the cost comparison: the cost of the multi-layer board is much higher than that of the two-layer board because of the large amount of materials. If the material is not increased according to the proportion of the multi-layer board, then the thickness of the board of the multi-layer board will not keep up, but it will become thinner. Affect the quality of use.
analysis:
1. The service life of the sun slab is the key to the top layer, not the number of layers. Therefore, the multi-layer board does not bring much benefit to the service life. Only the canopy with arched curvature mentioned in the third article above. It affects life.
2, the purpose of your choice of multi-layer board is nothing more than heat insulation, strong support. Do you think that the owner of the sun shed installed in the past mentioned that it is not enough insulation or strength, and now you increase the cost to choose whether the multi-layer board is cost-effective.
3, if the same amount of material, you only do two layers of material for the multi-layer board, you say that the wall is thicker, the thickening of the wall is really beneficial to the service life, so it is recommended to choose the multi-layer board is not as good as the choice Thick plate.
4, then choose the multi-layer board as well! The space is too small, the height is too short, the support skeleton is too thin, or the screen partition material is really critical for the thermal insulation support.
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