1. Marble staircase steps
The steps of marble stairs have a certain interval, and crossing this interval not only poses safety hazards, but also affects the living experience of the owners. The height and width of stair treads are determined by the distance between a person's steps and the length of their legs. The width of the treads should be no less than 24 centimeters, and the height of the treads should generally not exceed 7.5 centimeters.
2. Marble staircase slope
Marble is originally a hard material, so when designing the slope of stairs, it must not be too inclined. The common slope for indoor stairs is 20-45 degrees, and the optimal slope is around 30 degrees, which is determined by the width and height of the steps.
3. Marble staircase width
The width of marble stairs also has intervals, and if space allows, it is best to have two people walking up the stairs side by side. Normally, a single person access ladder should not be less than 80 centimeters, while a double person access ladder should be 100-120 centimeters.
4. Marble staircase handrail height
The handrails of the stairs should be set according to the height of the family members, and the height design of the handrails that is suitable for human functions is better. Usually, the height of stair handrails should be 90 centimeters, and the height of stair platform handrails should be between 90-110 centimeters.