The kind of stair and the shape of the stair must fit the space requirements and the function of the staircase. The stair and tread style depends on the architecture and design of the project. The stair types can be:
1. Straight Stairs ( with Intermediate Landing or Top Landing )
2. L Shaped Stairs ( Quarter Turn Stairs )
3. U Shaped Stairs ( Switchback stairs )
4. Winder Stairs
5. Spiral Stairs
6. Curved Stairs
7. Cantilever Stairs
8. Split Staircase (Bifurcated).
When you think of the number of different types of staircase design, along with the variety of materials than can be used for the treads, risers and railings, the possibilities are almost endless. One of the most important factors to consider when choosing a staircase style is the space needed. The function, cost and visual appeal of the staircase also need to be taken into account when choosing the ideal staircase design for your project.