1. Stairway Design

2. Stairway Terminology

3. Different Types of Non-Winder Stairs
Straight Run
Long L

4. Different Types of Non-Winder Stairs
Wide L
Narrow U

5. Different Types of Non-Winder Stairs
Double L
Wide U

6. Winders
Only one set of winders may be used between levels

7. Curved Stairs

8. Designing Curved Stairs

9. Spiral Stairs
Aerial View
Side View

10. Stair Rail Terminology

11. Typical plan views of a stairway
Plan at 2nd fl. level
Plan at 1st fl. level
Plan at basement level

12. Section view

13. Total Rise of Stairway Total Rise is 8’-9 3/4” or 2634mm 3/8” or 10mm
Finished floor
3/8” or 10mm
Joist size
9 3/8” or 184mm
Room Height
8’-0” or 2440mm
Total Rise is 8’-9 3/4” or 2634mm

14. Comparison between # of risers and treads
Adjust Answer = 14
4. Number of treads – The number of treads required is always one less than the number of risers; therefore the answer is 13.

15. Stairway Layout
The main reason for drawing a stairway layout is to determine the stairwell opening.