Choose a 5 - or 3-rail sliding window, depending on requirements and usage scenarios:

1. 5 rail sliding window:

The 5-rail sliding window can generally be pushed and opened in a more flexible way, and different opening methods can be selected, such as full open, half open, etc., which is suitable for places where ventilation and lighting need to be flexibly controlled.

The design of the 5-rail sliding window can make the area of the window open relatively larger, and the ventilation effect is better, but at the same time, more installation space is required.

The structure of the 5-rail sliding window is complex and prone to failure, which may be slightly complicated to maintain.

2. 3 rail sliding window:

The 3-rail sliding window is relatively simple in structure, stable, easier to maintain and maintain, and suitable for general ventilation and lighting needs.

The installation space of the 3-rail sliding window is relatively small, which is suitable for places with limited installation space.

The 3-rail sliding window usually opens a smaller area, but is usually sufficient for general lighting and ventilation needs.

Therefore, to choose a 5-rail or 3-rail sliding window, it is necessary to decide according to actual needs and use scenarios. If you need more flexibility and ventilation space, you can choose a 5-rail sliding window; If there are no special requirements for these, 3-rail sliding Windows are also a stable, simple and economical option. When you finally choose, you can refer to your own actual situation, and consult professional door and window manufacturers to get more professional advice