I, sliding window
1. Advantages: simple, beautiful, large window width, large glass block, wide vision, high lighting rate, window cleaning convenient, flexible use, safe and reliable, long service life, open in a plane, it occupies less space.
2. Disadvantages: the two windows can not be opened at the same time, only half can be opened at most, and the ventilation is relatively poor.
II, casement window
1. Advantages: the opening area is large, the ventilation is good, the sealing is good, the sound insulation is good, the heat preservation is good, the internal opening is convenient to wipe, and the external opening does not occupy space.
2. Disadvantages: the window width is small, the vision is not wide, outwards opening window, and it is easy to be damaged when the wind is strong, while in-swinging casement window occupies the indoor area.
III, flat hanging window: the new situation developed on the basis of casement window, it has two opening methods, which can be opened horizontally and vertically. The open part is suspended in the air and fixed by hinge connection with window frame, it can not only ventilate, but also ensure safety. Because there are hinges, it can only open the gap of 10cm. It cannot be reached from the outside, and the handle has anti-theft device, only when the window is closed can the handle be twisted, which is especially suitable for use when no one is at home.
4. In addition, we can also do special-shaped windows. Now there are a lot of such windows. First of all, we must trust us and then communicate with designers to design satisfactory windows.
