Dog Legged Staircase, Components & Design of Dog Legged Stair

Dog Legged Staircase, Components & Design of Dog Legged Stair

A dog-legged staircase is a common and practical design that changes direction midway, resembling the shape of a dog’s hind leg. This type of staircase is widely used in residential and commercial buildings due to its space-saving characteristics and ease of construction. Let’s explore the components and design considerations of a dog-legged staircase:

Dog Legged Staircase, Components & Design of Dog Legged Stair

Components of a Dog-Legged Staircase:

  1. Flight: Each continuous segment of the staircase between two landings is called a flight. In a dog-legged staircase, there are typically two flights connected by a landing at the change of direction.
  2. Riser: The vertical distance between the top surface of one step (tread) to the top surface of the next step is known as the riser height. It is essential to maintain uniform riser heights for safety and comfort.
  3. Tread: The horizontal surface on which you step while ascending or descending the staircase is called the tread. It should be wide enough to provide sufficient footing space.
  4. Landing: The platform or horizontal surface at the intermediate level of the staircase where the direction changes is called the landing. It allows users to rest, change direction, and serves as a connecting platform between the two flights.
  5. Stringers (String Beams): Stringers are the inclined members on both sides of the staircase that support the treads and risers. In a dog-legged staircase, there are typically two stringers, one on each side, that carry the load of the steps.
  6. Balustrade (Railing): The balustrade is the protective barrier or railing that runs along the sides of the staircase and provides safety to users. It can be made of various materials, including wood, metal, or glass.

Design Considerations for Dog-Legged Staircase:

  1. Space Availability: Dog-legged staircases are suitable for limited spaces as they change direction midway, allowing efficient utilization of space.
  2. Riser Height and Tread Width: Design the riser height and tread width to comply with local building codes and standards for safety and user comfort.
  3. Headroom: Ensure sufficient headroom clearance above the staircase to prevent users from hitting their heads while ascending or descending.
  4. Safety and Slip Resistance: Use non-slip materials for treads and landing surfaces to enhance safety and prevent accidents.
  5. Structural Stability: Adequately design and reinforce the stringers and support beams to ensure the staircase’s stability and structural integrity.
  6. Aesthetics: Consider the architectural style and aesthetics of the building while choosing materials and designing the balustrade and handrails.

Advantages of Dog-Legged Staircase:

  1. Space-saving design, making it suitable for small or constrained spaces.
  2. Easy to construct and economical compared to more complex designs.
  3. Provides a comfortable and convenient change of direction for users.
  4. Offers a visually appealing and balanced appearance.


The dog-legged staircase is a popular choice in construction due to its efficient use of space, simple design, and ease of construction. When designing a dog-legged staircase, it is essential to consider the safety, comfort, and aesthetics while adhering to building codes and standards. By carefully planning the components and dimensions, you can create a functional and visually pleasing dog-legged staircase that complements the overall design of the building.

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