What kind of sound insulation material should the hotel use?

1. Install the damping keel, and the keel spacing is designed according to its own requirements, generally about 600 mm.

2, keel frame filled with sound insulation cotton, sound insulation cotton is usually 50mm thick, sound insulation cotton to fill dense.

3. Seal a layer of sound insulation board, and the gaps between sound insulation boards are mended with sealant.

4. Stick the sound insulation felt on the sound insulation board and fix it with air nails or all-purpose glue.

5. Fix the second sound insulation board with tapping screws and repair the gap with sealant.

6. In order to improve the indoor sound quality, choose appropriate sound absorption and diffusion materials and soft sofas.