【 Building materials network 】For Casement window We have been concerned about its performance, such as sealing, safety, energy saving, etc; I have also worried about its potential hazards, and worried about the horizontal opening window It fell off because it was swayed by the strong wind. In fact, in addition to these, the use habits and scenes of side hung windows are also closely related to us. For the sake of safety and beauty, it is recommended to know about these customized "heights" of casement windows.

1、 Floor height

For the sake of falling prevention and wind prevention, it is not recommended to use external windows for high-rise buildings. In many cases, it is not recommended to use casement windows for houses above 7 floors.

In terms of safety, the inner side hung window, inner inverted window and Sliding window And other opening methods are more suitable for high-rise buildings. In the local Residential Building doors and windows It is clearly stipulated in the Application Technical Specifications that the external windows of buildings should be opened in the form of inside horizontal opening and bottom hanging; It is strictly prohibited to design and use external casement windows for medium and high rise residential buildings; When sliding windows are used, the sash must be provided with anti falling measures.

2、 Sill height

In general residential buildings, the window sill height is required to be no less than 0.9m; When the window sill height is lower than 0.8m, protective measures shall be taken. In public buildings, the window sill height is about 1.0~1.8m; The bottom height of window sashes opening to public walkways shall not be less than 2.0m.

When it comes to window sills, we have to lift the floating windows. Although the bay window is beautiful, the safe design cannot be ignored.

▲ The picture comes from the network

(1) Trapdoor Waist line It should not be too high or too low (too high waistline will affect the overall appearance of the window, and too low waistline will easily make children open the window and make adults uneasy); The waist line position should be equal to the shoulder height when people sit and stand.

(2) It is not recommended to set too many open leaves for the bay window, 1-2 are more suitable; For families with high sealing requirements for windows, it is recommended to select side hung windows or inward opening and inward reversing windows, while for families with low sealing requirements, it is recommended to select sliding windows; The handle of the window can be properly lowered, so that the user can open it sitting down.

(3) Considering the safety of window opening to reduce the potential falling hazard, it is recommended to install King Kong with lock on the window of children's room screen window (or with Railing Of Invisible screen ）, window opening limiter and other protective devices.

3、 Handle height

Have you noticed the position of the window handle? The design of handle height of windows (especially exterior windows) should vary from person to person, that is, the handle height should be based on the frequency of switch The owner of the window will set the appropriate position. In addition, we also need to consider whether there are barriers such as window sills in the window installation position that hinder the window opening and closing.

When the sill height is fixed, the higher the sash is, the higher the position of the handle will be. In the process of "stretching arms → bending down", the height that people can reach shows a downward trend. Therefore, too high window sash and handle will increase the inconvenience of operation. For ordinary people with a height of 1.6~1.7m, the height of arm extension is about 1.4~1.5m. Considering the height of 0.9m for ordinary window sill, 1.0~1.2m is the reasonable height for opening the sash (handle).

4、 Waist line height

This height is mainly for French windows or bay windows. Generally, the waist line of floor to ceiling windows is about 1-1.1m from the ground level. The waist line is too low, which is easy to make the window openers lose their center of gravity when opening and closing the window, and there are serious potential safety hazards; The waist line is too high, which affects the beauty of the whole window. After all, the rung is higher than the whole window, which is different from our visual perception. It is recommended to understand these details when purchasing and installing.

▲ The above figure shows the waist line of the casement window

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