● Shock absorption and collision avoidance. When the wind blows, for entrance doors that do not have door-side sealing and shock-absorbing rubber strips, it will cause a loud noise, and the door frames often collide so hard against the door. Caused a great impact. The sealed muffler strip on the door side can effectively avoid this situation.

● Sealed (energy-saving), closed sound. As everyone knows, most of the "vents" of doors and windows installed in most bedrooms are not good for sound insulation. The reason is that the seals on the sides of the doors do not assume their responsibilities. The closing of conference rooms, confidential rooms, etc. are the same. In addition, in rural areas, if the room is well sealed, it is more convenient to kill the mosquito in the whole house in summer.

● Decoration and beautification. Whether it is a wood door or a skinned door, it is difficult to handle the parts where the door side sealing and shock-absorbing rubber strips are assembled. Nails are fastened between the walls, and the nail holes can also be covered by them.

● Make up later. When the door is installed and used, it is limited to various factors such as climate environment and material selection, and there will often be problems such as slight shrinkage and swelling. At this time, the door side sealing and damping rubber strip with good materials and reasonable structure design will play an automatic expansion and contraction function, so as to avoid the whole door from looking cracked or deformed.