What is the general size of building stairs?

The stair tread is 300mm wide and 150mm high, with a golden ratio, which is relatively moderate.

But for public buildings, the width is more than or equal to 300mm and the height is 100mm- 150mm.

The width of stair section in residence should not be less than 1 100 mm, and the width of stair platform should not be less than1100 mm. ..

Factors:

Stair width size-opening size Considering the size of the stairs, we should first pay attention to the size of the stair opening, that is, the size of the stairs themselves. According to different family decoration, the size selection of stairs is different. We can do a practical investigation first to see what width and shape are suitable, so as to create a stair design that is more in line with the needs of home improvement. Generally, the stair step range is 800 mm-1200 mm, the step width is 250 mm -300 mm, the step height is 150 mm -200 mm, and the step height cannot exceed 200 mm. If it exceeds this, it will be difficult to walk.

Stair width dimension-floor height

The height of the stairs is also mainly considered in the size design, and the actual decoration design requires on-the-spot investigation. The height of the stairs is different for different family decoration. We can make comprehensive planning and choose the step distance to see if it meets our living needs and ensure the comfort of going up and down the stairs.

Stair width size-number of stairs

The design of stair width is also related to the number of stairs. According to the overall situation of the stairs to be designed, the number is different, so we can take this into account when planning and see if our overall design conforms to our home pattern, so as to ensure the order of the overall design. The stair tread height standard for decoration is 180mm, the tread plate width is 270mm, the minimum width of residential stair tread should not be less than 250mm, and the maximum height should not be greater than 180mm.