Staircase size: We need to know the information about the stairs, the distance from the floor to the floor, the dimensions of the stairs can be customized according to the site. And the step width is generally 600 to 1800mm, it will be safe with this range.
Material: Generally speaking, our stair beam are made of carbon steel. The steps can be made of carbon steel, solid wood or glass, it all depends on your preference. And the tread support is made of carbon steel too. And balustrade can be made of all kinds of material, such as glass, stainless steel, solid wood or PVC material.