How To Build Stairs Without Using Center Stringers - Engineering And Design Tips
It is possible to build a stairway without center stair stringers, but it will depend on the width of the stairway and how the stairway is going to be used. He also says that it is important to use larger materials, such as 3x6s or 4x6s, instead of 2x6s. Additionally recommends using full-length materials, such as 4x14s or 4x12s, instead of shorter pieces. Finally, suggests adding risers to the stairway for additional structural support.
Here are some related bonus tips:
If you are building a stairway that is wider than 3 feet, you might need to use center stair stringers.
If you are building a stairway that is going to be used for heavy traffic, you might also need to use center stair stringers.
