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Revolutionizing Quarter Turn Stairs: Advanced Design and Construction Techniques

Have you ever marveled at the elegance and functionality of quarter turn stairs in modern architecture? These stairs, also known as L-shaped or 90-degree turn stairs, blend aesthetic appeal with practical design, offering a comfortable and space-efficient solution for multi-level structures. This guide delves into the world of quarter turn stairs, offering insights and practical advice for enthusiasts and professionals alike.

Understanding Quarter Turn Stairs:

What Are Quarter Turn Stairs?

Quarter turn stairs make a 90-degree turn at some point along their flight, typically at a landing. This design is not only a visual delight but also an effective way to save space, making them ideal for both residential and commercial settings. The turn can occur at the top, middle, or bottom of the stair, offering flexibility in design to suit various architectural needs.

Benefits of Quarter Turn Stairs:

  • Space Efficiency: They occupy less horizontal floor space than straight stairs, making them ideal for compact areas.
  • Aesthetic Appeal: The turn adds a visual interest to the architecture, enhancing the overall design of the space.
  • Safety Feature: The landing provides a rest point, reducing the number of continuous steps, which is a safer option for users.

Quarter Turn Stair Variations: Winder vs. Landing

Exploring the Options:

In the realm of quarter turn stairs, homeowners and designers often face a choice between two popular styles: the winder quarter turn stair and the quarter turn stair with a landing. Each style offers unique advantages and aesthetic appeal, suitable for different space requirements and design preferences.

Winder Quarter Turn Stairs:

  • Design: This style incorporates triangular-shaped steps, known as winders, at the turn, allowing the stairs to change direction without the need for a landing.
  • Space Efficiency: Ideal for extremely tight spaces, as they require less floor area than stairs with landings.
  • Aesthetics: Provides a seamless, continuous flow, adding a sleek and modern look to the space.

Quarter Turn Stairs with Landing:

  • Design: Features a flat landing at the turn, offering a pause point between flights.
  • Safety and Comfort: The landing reduces the number of continuous steps, making the staircase safer and more comfortable to use.
  • Versatility: Easily adaptable to various interiors, the landing can also serve as a small display area or transition space.

Designing with the RedX Stairs App:

Innovative Features for Customization:

The RedX Stairs App, a cutting-edge tool in stair design, offers a range of features for crafting quarter turn stairs. Users can customize various aspects, including the total stair rise, stringer type (closed or open), and number of risers. The app allows for detailed adjustments, such as tread thickness, riser thickness, nosing width, and tread length, ensuring that each stair design is tailored to specific requirements.

Visualizing with 3D Models:

One of the standout features of the RedX Stairs App is its 3D stair model viewer. This tool allows users to view their design from different angles, providing a comprehensive understanding of how the quarter turn stair will look in a real-world setting. It's an invaluable resource for both designers and clients to visualize the final product before construction begins.

Cut List and Material Breakdown:

The app's cut list feature is a game-changer for constructors. It provides a detailed list of all components required, including upper and lower stringer blueprints, riser and tread blueprints, ensuring that every element of the stair is precisely accounted for. The interactive 2D stair layout blueprint allows for zooming in and viewing exact measurements, crucial for accurate construction.

Practical Tips for Quarter Turn Stair Construction:

Key Considerations:

  • Measurements: Ensure all measurements, such as riser height and tread depth, comply with local building codes.
  • Material Selection: Choose materials that align with both the aesthetic and functional needs of the space.
  • Structural Integrity: Pay close attention to the strength and stability of the stairs, especially at the turn.

Real-World Application: Space-Saving Solution in Texas

Consider the scenario of a homeowner in Austin, Texas, facing the challenge of incorporating a stylish staircase into a limited space. The solution? A custom-designed quarter turn stair, conceived with the help of the RedX Stairs App.

The primary obstacle was integrating a functional stairway into a constrained area without compromising the home's contemporary design. By employing the RedX Stairs App, the homeowner was able to meticulously calculate the necessary dimensions, tailor the design to match the aesthetic of their home, and visualize the staircase in a detailed 3D model. The app's ability to generate precise blueprints was invaluable in ensuring accuracy in construction.

The end result was an elegantly crafted quarter turn staircase that not only saved space but also enhanced the overall appeal of their home, proving to be both a practical and visually striking addition.

Technology and Innovation in Stair Design:

The future of stair design is being shaped by technological advancements, with apps like RedX leading the charge. These tools not only simplify the design process but also open up new possibilities for customization and precision in stair construction.

Essential Facts About Building Quarter Turn Stairs:

  • Efficient Design: Quarter turn stairs are excellent for space-saving, as they require less horizontal floor area compared to straight stairs, making them ideal for compact spaces.
  • Reduced Fall Risk: The presence of a landing or winder steps in quarter turn stairs breaks the sequence of straight steps, which can help reduce the risk of falling, especially in high-traffic areas.
  • Adaptable Designs: Quarter turn stairs can be tailored to fit various architectural styles and space requirements, offering a range of customization options from the choice of materials to the style of steps.
  • Intricate Construction: The construction of quarter turn stairs, especially with winder steps, is more complex than straight stairs due to the turn. Accurate measurements and skilled craftsmanship are crucial.
  • Visual Interest: The 90-degree turn in these stairs adds an architectural feature to a space, making them not just functional but also an aesthetic element in interior design.
  • Technological Aid: Tools like the RedX Stairs App have revolutionized the designing and building of quarter turn stairs, allowing for detailed 3D visualization, precise measurements, and customizable blueprints.
  • Diverse Material Options: Materials range from traditional wood to modern steel or glass, offering diverse aesthetic choices to match different interior themes.
  • Regulatory Standards: Adhering to local building codes is crucial, particularly regarding the dimensions of risers, treads, and landings, to ensure safety and legality.
  • Budget Considerations: The cost of building quarter turn stairs can vary widely based on design complexity, materials used, and labor costs. Detailed planning can help in managing the budget effectively.
  • Structural Integrity: Properly designed and constructed quarter turn stairs offer significant longevity and durability, making them a long-term investment in a property.

Quarter Turn Stairs Q&A Section:

Q1: What are quarter turn stairs? A: Quarter turn stairs are stairs that make a 90-degree turn at some point, often incorporating a landing or winder steps. They are also known as L-shaped stairs.

Q2: Why choose a quarter turn stair design? A: Quarter turn stairs are ideal for saving space while adding an aesthetic element. They are safer than long, straight runs due to the landing or winder breaking the sequence of steps.

Q3: Can quarter turn stairs be customized? A: Absolutely! Using tools like the RedX Stairs App, you can customize various elements, including dimensions, materials, and the type of turn (winder or landing).

Q4: Are quarter turn stairs more challenging to construct than straight stairs? A: They can be more complex due to the turn, especially if winders are involved. However, with precise blueprints and planning, using apps like RedX Stairs, this complexity is manageable.

Q5: How do I choose between a winder and a landing for my quarter turn stairs? A: It depends on your space and preference. Winders save more space but can be trickier to navigate, while landings are safer and can break up a long climb.

Q6: Can I view and adjust my staircase design before construction? A: Yes, with the RedX Stairs App, you can view your design in 3D and make real-time adjustments to ensure it meets your requirements.

Q7: What materials are commonly used for quarter turn stairs? A: Popular materials include wood for a traditional look, steel for modern designs, and glass for an airy, open feel. The choice depends on your style and the functionality required.

Q8: How does the RedX Stairs App assist in staircase construction? A: The app provides detailed blueprints, cut lists, and a 3D viewer, helping in precise measurement and visualization of the staircase, thus aiding in accurate construction.

Q9: Are quarter turn stairs suitable for all types of buildings? A: Yes, they are versatile and can be designed to fit in various buildings, from residential homes to commercial spaces, depending on the design and space available.

Q10: How can I ensure my quarter turn stairs are safe and compliant with building codes? A: Always check local building codes for compliance, especially regarding riser height and tread depth. The RedX Stairs App helps in designing stairs that can meet these standards.

Q11: What is the best app for calculating quarter turn stairs? A: The RedX Stairs App is highly recommended for calculating quarter turn stairs. It offers detailed customization, 3D visualization, and precise blueprint generation, making it a top choice for both professionals and DIY enthusiasts.

Q12: How user-friendly is the RedX Stairs App for beginners? A: The RedX Stairs App is designed to be user-friendly, with intuitive interfaces and helpful guides, making it accessible even for those new to stair design and construction.


Quarter turn stairs are a testament to the blend of functionality and aesthetics in modern architecture. With tools like the RedX Stairs App, designing and constructing these stairs has become more accessible and precise, paving the way for innovative stair designs in both residential and commercial spaces. Whether you're an architect, designer, or construction enthusiast, embracing these technological advancements can elevate your projects to new heights.