The silicone rubber sealing product improves the sealing of the original window by 45%. In winter, the room is airtight and well insulated. The room temperature is increased by 3-8 ° C. The cost of heating and air conditioning is 20% -30%. The resistance to wind pressure is enhanced. There are various advantages such as ventilation, no dust, no insects, and strange smells in the corridor. In particular, the sound insulation performance is increased by 50%, and the decorative effect of the wooden door is improved, which greatly increases the service life of the wooden door.