withstand the problem. D, thicker and heavier wallboard, the more raw materials used to produce the wallboard, the higher the wallboard price, the higher the installation cost, and the higher the value of the lost living space, resulting in the higher overall cost of the final project . 5, the sound insulation effect can be maintained How long the market there are some sound insulation board is installed between the two plates of rubber, damping material or sound insulation felt made of such a method, in a short period of time can be to some extent Improve the sound insulation, but its sound insulation will gradually reduce over time. As we all know, rubber and other materials in the air will slowly aging, leading to its gradual hardening and loss of elasticity, resulting in sound insulation effect gradually decreased over time. On the other hand, this method of installing a rubber layer or a soundproof felt in the middle of the two plates is very costly. 6, Acoustic board strength, waterproof and fire resistance While improving the noise effect of the wall, we must also pay attention to some other properties of the wall at the same time, such as whether the strength of the new soundproof wall or the old wall sound insulation meets the requirements.
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