【 Building materials network 】Bai Juyi wrote a poem: There is nothing good in front of you, window There is a breeze below. If you want the windows to have a good ventilation effect and create a beautiful scenery atmosphere, it is very important to reasonably design the size and height of the opening fan!

So, Casement window How big is the fan to open? This is a problem that is easily ignored when customizing windows. Many people think that businesses are more professional. They can open as large and as high as they want. However, the unreasonable opening of the fan will not only affect the ventilation effect and home aesthetics, but also bring potential safety hazards and increase customization costs!

As the name implies, the opening fan is the part of the window that can be turned over, including the gauze fan, glass fan, and openable and fireproof fan guardrail 。 Different window types have different leaf opening modes and different ventilation effects. The smaller the opening angle, the smaller the effective ventilation area. The ventilation degree can be arranged from high to low as follows: Sliding window >Outward opening window>inward opening inward falling Suspended window >Open the upper hung window outwards.

Chinese architecture doors and windows The industrial standard Code for the Use and Installation of Doors and Windows in Buildings (GB/T7106-2008) stipulates the width of windows: generally, the width of the window opening leaf should not be less than 500 mm. Too small opening fan will affect the ventilation effect. Although the upper limit of window width is not specified, in fact

The large opening width is also affected by many other factors, such as the material, structure and support mode of the window.

In addition, the Unified Standard for Design of Civil Buildings (GB50352-2019) also specifies the effective area of ventilation openings in spaces with direct natural ventilation: the effective area of ventilation openings in living and working rooms should not be less than 1/20 of the floor area of the room. The effective area of ventilation openings in the kitchen shall not be less than that of the room floor 1/10 of the area, and not less than 0.6 ㎡.

In combination with these two provisions, Xuanxuan gives you an example: for a 20 ㎡ living room, the effective ventilation area should not be less than 1 ㎡, then two 600mm × 1000mm open fans can meet the requirements. Generally speaking, the width of the opening fan that meets the standard of daily life is between 500 and 700mm, and the height is between 900mm and 1400mm.

Since the state does not limit the upper limit of fans, does that mean that the larger the fans, the better, and the more the fans, the better? Of course not!

The cost of open fan is much higher than that of fixed fan. Making open fan in a large area will increase the cost of home decoration and affect the appearance of home. At the same time, if the window is too large, it can be fully opened only when the door is opened. There is a potential safety hazard. The wider the sash, the offset of the pivot will be outward. The bigger the window sash is, the heavier the weight is. These are huge tests for the hardware fittings that carry its weight.

Xuanxuan Suggestions Door and window hardware It is necessary to choose a large brand with guaranteed quality, especially the outward opening fan or the side hung window with large area. Hennessy doors and windows use a full set of self-developed hardware accessories system, which is rigorous in testing, ensuring its durability, opening and closing and fitting, and can effectively extend the service time of doors and windows.

Here Xuanxuan would also like to remind everyone that half of the good hardware is in the selection and half is in the maintenance. In the process of opening and closing, the hinge connecting part and Hinge Bearing the weight of the window constantly, it is easy to be damaged due to frequent friction. It is recommended to regularly use soft wet cloth to wipe away surface dirt, regularly check whether there is looseness or wear, and timely repair and replace.

If you are modest, you should choose the window and not get lost. Now you have a clear idea of the size of the fan you need to arrange in each space of your home! Hennessy Doors and Windows has more than 1500 stores across the country, adhering to the dual engine of service and quality, and implementing the 5U installation standard. Partners who need customized doors and windows are welcome to consult Hennessy Doors and Windows stores.