Layout Questions and Answers | Latest
Version | 2024/2025 | Correct & Verified
What is the purpose of a stringer in a staircase?
✔✔To provide structural support and hold the treads and risers in place.
What is the run of a stair?
✔✔The horizontal distance from the face of one riser to the next.
What is the rise of a stair?
✔✔The vertical distance between two consecutive treads.
Why is it important to calculate the total rise when laying out stairs?
✔✔To determine the number and height of risers needed for the staircase.
What tool is commonly used to mark the layout of stair stringers?
✔✔A framing square.
1
, What is the purpose of the nosing on a stair tread?
✔✔To extend slightly beyond the riser, improving safety and comfort.
What is a tread in a staircase?
✔✔The horizontal surface that people step on while using the stairs.
What is a riser in a staircase?
✔✔The vertical piece between two treads.
Why is uniform riser height important in stair construction?
✔✔To ensure safety and consistency, preventing tripping hazards.
What does the term "headroom" mean in stair layout?
✔✔The vertical space between the stair tread and the ceiling or overhead obstruction.
What is the code-required minimum tread width for stairs?
✔✔Typically 10 inches, though it may vary by local building codes.
2