1. Types of windows
(1) casement window: the traditional window type is widely used, and casement window is divided into internal opening and external opening; The advantage of opening is that it is easy to clean, but the disadvantage is that it takes up space when opening, and it is easy to seep in rainy days; The advantage of opening outside is that it is waterproof and does not take up space, but in the face of strong wind, the rain is easily damaged, so the hardware requirements must be high.
(2) Sliding window: There are two sliding modes: up and down and left and right. It is characterized by not occupying space, beautiful appearance, affordable price and good tightness. It is very flexible to use high-grade slide rails only by a gentle push. In addition, the stress of the window is uniform and it is not easy to be damaged.
(3) Shooting window: It has the same shape as casement window, except that the hinge is installed at a different position and is placed at the top, so this kind of relatively affordable kitchen, bathroom and other smaller windows.
(4) Flip casement window: This type of window is used very frequently in Germany, and its production technology is also very high. The job is to select the closing of doors and windows by turning the handle, and the top will hang up when it is opened horizontally inward. It has good sealing, ventilation and anti-theft function.