Can you convert closed staircase to open?
Converting a Closed Staircase to Open: Is it Possible?
Brief Summary
While transforming a closed staircase (one with risers) into an open staircase (without risers) might seem like a simple aesthetic change, it’s actually a complex undertaking that typically necessitates a full staircase replacement. The structural differences between the two designs make a direct conversion impractical and potentially unsafe.
Expanded Answer
Understanding the Structural Difference
- Closed Staircase: In a closed staircase, the risers (vertical boards between treads) are integral to the structural support of the staircase. They help distribute weight and prevent the treads from flexing or sagging. The stringers (side support beams) are often notched to accommodate both the treads and risers, creating a rigid framework.
- Open Staircase: An open staircase lacks risers, relying solely on the treads and stringers for support. This design requires thicker and more robust treads and stringers to compensate for the absence of risers.
Why Conversion is Challenging
- Compromised Structural Integrity: Removing risers from a closed staircase would significantly weaken its structural integrity. The existing stringers may not be designed to support the treads alone, potentially leading to sagging, instability, and safety hazards.
- Code Compliance: Building codes dictate specific requirements for tread depth, riser height, and overall staircase strength. Removing risers would alter these dimensions and could render the staircase non-compliant.
Alternatives to Conversion
- Partial Openness: If you desire a more open feel, consider removing a few risers strategically to create partial openness while maintaining structural integrity. Consult with a professional to ensure this modification doesn’t compromise safety.
- Visual Tricks: You can create an illusion of openness by painting the risers a light color or using glass or acrylic panels instead of solid wood. This maintains the structural support while enhancing the sense of space and light.
- New Staircase Installation: If you’re set on having an open riser staircase, replacing the entire staircase with a new one designed for that purpose is the safest and most effective approach.
Cost and Complexity
- Full Replacement: Converting a closed staircase to an open one typically requires a complete replacement, involving demolition of the existing stairs, new framing, and installation of new treads, stringers, and railings. This can be a significant investment in terms of both time and money.
- Professional Expertise: It’s crucial to consult with a qualified architect or stair builder to ensure the new staircase is designed and constructed safely and complies with building codes.
Conclusion
While the idea of converting a closed staircase to an open one might seem appealing, it’s important to understand the structural and safety implications involved. In most cases, a complete replacement is necessary to achieve a safe and code-compliant open riser staircase. However, exploring alternative options like partial openness or visual tricks can help create a more open feel without compromising the structural integrity of your staircase.