How to connect the corner columns of broken aluminum window frames

Connection method of corner column of broken bridge aluminum window;

1. When installing corner window frames, adjust the gap between the window and the wall with wooden mats, and fix the window frames after leveling.

2. After the corner window frame is fixed, it needs waterproof treatment. Waterproof mortar is filled between the window frame and the wall, and the window frame is filled and fixed with mortar.

3. When the corner window frame is inserted into the blank hole, the protective film on the window frame cannot be torn off before and after the window frame is inserted into the hole, so as to avoid damaging the window frame in the later construction.