For sound insulation, in the summer to prevent air -conditioning from leakage, prevent flying insects, prevent heating from heating in winter, and prevent smoke from the door during the fire, the entry of the door can achieve a certain effect.
The sealing bar plays a key role on other doors and windows such as solid wood doors, anti -theft doors, and indoor doors. The most obvious is the sound insulation and shockproof. After the door gear is installed on the door gear, the collision sound when closing the door is reduced, a protective effect on the edge of the door fan, and extending the life of the door and reducing the noise.
Secondly, sealing, shock absorption, isolation of indoor air air, effectively play a role of insulation and energy saving, reduce the cost of air conditioning and heating, and prevent small bugs such as mosquitoes drilled indoors.
