1. Mark the corresponding position on the installed door frame opening with a line, and indicate the size. It should be noted that the height inside the frame should be higher than the height of the door leaf. The thermal insulation roller shutter door installed on the outside of the door can usually increase the K value of the door by at least 45%, and ensure that the distance between the roller shutter panel and the door frame is ≥ 40mm during installation.

2、为了将保温卷帘门的门框固定，要先拆掉门框下部的固定板，在洞口两侧的地面要事先预留凹槽，然后进行校正，待合格后固定木楔，将门框铁脚与预埋铁板件焊牢。

2. In order to fix the door frame of the thermal insulation rolling shutter door, the fixing plate at the bottom of the door frame should be removed first. Grooves should be reserved on the ground on both sides of the hole in advance, and then calibrated. After passing the calibration, the wooden wedge should be fixed, and the iron feet of the door frame should be welded firmly with the embedded iron plate.

3、安装门扇主体，注意一定要保证保温卷帘门与墙体结成整体，封闭性要做好，然后粉刷洞口及墙体。粉刷完毕后，门缝应均匀平整，开启保温卷帘门应该自由轻便，不得有过紧、过松和反弹现象。

3. When installing the main body of the door leaf, it is important to ensure that the insulation roller shutter door is integrated with the wall, and the sealing should be done well. Then, the opening and wall should be painted. After the painting is completed, the door seam should be even and flat, and the opening of the insulation roller shutter door should be free and light, without any tightness, looseness, or rebound.