Views: 483 Update date: Jan 03,2020

How big is the opening  window?

1 too small

The result is poor ventilation, neither energy saving nor livability; the problem of too small window opening is relatively easy to solve, and various design codes have stipulated the minimum value of the ventilation opening area of the house.

In a bedroom about 12 square meters, a 600mm × 1000mm opening can meet the ventilation requirements; in a living room of about 20 square meters, two 600mm × 1000mm opening  can meet; a 4 square meter bathroom has a A 600mm × 600mm opening  is sufficient; a kitchen with a higher ventilation requirement, a kitchen of about 5-6 square meters can have a 600mm × 1000mm opening .

2 too big

The result is inconvenience to open, and even the inconvenience of opening may affect the operation safety when opening and closing the window.

The opening fan of casement window: the width should not be greater than 700, less than 500, and should be about 600; the height should not be greater than 1400, less than 900, and should be 1000-1200; using an oversized opening fan (too wide or too high), especially outside When opening, you must carefully consider the convenience and safety of opening.

When we pay attention to the problem of too large windows, we often only pay attention to the width, but the height is also "lethal". For general casement windows, when the height of the window sill is constant, the higher the window sash, the higher the position of the opening handle, and during the window opening action of "extended arms → leaning over", human hands can The height reached is a downward trend.

Therefore, the sash is too high and the handle is too high, which will increase the inconvenience of operation. For ordinary people with a height of 1.6 to 1.7m, the height of the flat extension of the arm is about 1.4 to 1.5m. Considering the height of a common window sill of 0.9m, 1.0 to 1.2m is a reasonable height for opening .

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