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Several practices of sound insulation in building slabs

As our standard of living improves, so does the demand for living environment. In the buildings built in China, most of them use low-cost floor slabs for sound insulation, and some have not done sound insulation measures. Home is a warm harbor, a place to sleep and move. If you often hear footsteps, voices, toilet sounds, and furniture sounds upstairs and downstairs, it will not only affect the living experience, but also cause a decline in the quality of life. It will also affect the harmonious relationship between the neighborhoods and become a noise problem. Providing a green living environment and reducing residential noise pollution has become a matter of great concern to everyone.

Here are some examples of how to make building slab noise.

Laying an elastic floor

This method is to lay elastic decorative sound-proof materials on the finished floor. Commonly, carpets, solid wood floors, plastic floors, etc. are used to reduce the vibration of the floor to achieve sound insulation, and the impact sound can be improved by 15-30dB. This is the most widely used method at present. The sound insulation of the elastic facing floor is most obvious, such as walking sound, table and chair moving sound.

Floating floor slab soundproofing

A sheet-like, strip-like or block-shaped loose sheet elastic material is laid between the floor and the structural panel, and the protective layer is further poured to form a floating floor slab. The sound insulation method is to realize the floor slab reduction by a certain thickness of elastic structure. shock. The elastic layer divides the floor into two upper and lower layers, which effectively prevents the continuous propagation of sound in the solid and alleviates the solid sound transmission. The elastic septum laid on the floor can reduce the impact resonance and absorb sound energy.

Laying soundproof mortar

This method is similar to laying elastic layers. Sound-insulating mortar is an emerging green building sound insulation product. It is mainly used in buildings that need to be sound-insulated, and the sound insulation effect is guaranteed. Qualified sound-insulating mortar can achieve a shock absorption performance of 63 decibels, meeting a variety of buildings such as libraries, homes, hospitals, office buildings. The soundproof mortar layer can prevent the sound from spreading in the solid, and the sound absorption layer is weakened by the middle sound insulation layer to achieve the sound insulation effect, which is also a reasonable cost.

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