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Semma Wall

Double-sided retaining wall with tapered sides and mechanical interlock, perfect for structural and aesthetic needs.


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Techo-Bloc Garden & Retaining Walls

Techo-Bloc Garden & Retaining Walls

Techo Bloc

(Brand) Techo Bloc

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The Semma wall system features a 6" x 16" double-sided segmental retaining wall with tapered sides and an independent mechanical interlock, allowing for both vertical and battered walls. Its design provides tremendous shear strength, void fill interlock, and a ½” bond for joint dispersion, making it an excellent solution for raised patios, incorporating free-standing walls or pillars. Suitable for residential, industrial, commercial, and institutional applications, Semma combines functionality with aesthetic appeal.

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Why Choose Stone Center

Unlike simulated materials, our natural stones are forged by nature to last a lifetime. Combined with our precision fabrication technology and vast industry expertise, Stone Center has become the trusted source for builders across the Midwest.

  • Timely, Cost-Effective Service

    From your initial estimate to fabrication, we work swiftly to ensure your project runs according to schedule and within budget.

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    Face-to-face Meetings

    We guide our clients in person through the entire process so they know exactly what to expect at every stage.

  • Delivery to Your Site

    Committed to superior customer service, we deliver ready-to-install cut stone directly to your project site.

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