| 摘要 |
The present invention relates to a door for shielding cold and heat and relates to a door frame. More specifically, the door for shielding cold and heat and the door frame form a plurality of shielding holes in the door frame and the entrance door dividing an indoor space and an outdoor space such as the entrance door frame or the window frame. Therefore, the present invention prevents cold and heat of the outdoor space from being transmitted to the indoor space through the door frame. To this end, the present invention has a plurality of first shielding holes in the door frame made of a steel material. |
