Traditional Culture Encyclopedia - Hotel franchise - How many centimeters of rock slab can be laid on the stair treads?

How many centimeters of rock slab can be laid on the stair treads?

The stair tread can be paved with a rock slab with an outer edge of 2 cm. According to relevant public information, when laying rock slabs on stair steps, at least 2 cm should be reserved at the outer edge, mainly to ensure the beauty and safety of the whole staircase, but not more than 3 cm. The space of 2 cm is the most suitable, and the space size of the outer edge should be determined according to the design style and aesthetics of the whole staircase.