| 摘要 |
PURPOSE: A window and door installation structure with an improved waterproof function is provided to have the installation convenience of a window frame, a perfect waterproof function, and a counterflow prevention function. CONSTITUTION: A window and door installation structure with an improved waterproof function comprises following steps. The lower part of a foundation frame(2) is embedded in a bottom wall forming an opening. A waterproof projection is formed on both side walls and a ceiling wall. A packing assembly groove is formed in the window frame to couple packing. |
