1. To ensure the quality of the keel before installation, it is the key to support the sound insulation board. After the keel is installed, check whether there are extra screws, etc., the surface is flat, smooth, to avoid scratch plate when installing sound insulation board.

2. Splicing sound insulation boards according to the size requirements on the decoration design drawings, so as to keep the spacing of the sound insulation boards within a controllable range, so as not to affect the sound insulation effect.

3. After the sound insulation board is installed, it will be fixed with a screw between the keel, usually, everyone will use the horn head screw fixed. It is important to note that the screws must be inserted vertically to ensure that the sound insulation board is flat.

4. Sound is transmitted through a medium, and air transmission is the most common way of sound transmission. Accordingly, when everybody is installing sound insulation board, still need to carry on sealing treatment with sealant between the gap part of sound insulation board, strengthen sound insulation effect.