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UNILOCK PISA™ XL SMOOTH
By Product Team February 15, 2025

UNILOCK PISA™ XL SMOOTH

Transform Your Outdoor Space with Unilock Pisa™ XL Smooth

Why Hardscaping Matters

If you’ve ever looked at your backyard and thought, “Something’s missing,” chances are, it’s a solid hardscape feature. Hardscaping is the backbone of any well-designed outdoor space, providing structure, functionality, and aesthetic appeal. Think of it as the foundation that keeps everything in place, from patios and pathways to retaining walls and seating areas.

One of the best ways to elevate your landscape is by adding a durable, stylish retaining wall. Enter Unilock Pisa™ XL Smooth, a modern and highly functional retaining wall system that offers a sleek, contemporary look with superior performance.


What is Unilock Pisa™ XL Smooth?

Pisa™ XL Smooth is a segmental retaining wall system designed for both residential and commercial projects. With its linear, modern aesthetic and easy-to-install features, it provides both beauty and efficiency. The built-in tongue and groove system allows Pisa™ XL Smooth to be constructed in a slightly leaning (battered) position or in a vertical orientation with some modifications.

Where Can You Use Pisa™ XL Smooth?

This versatile product is perfect for a variety of backyard and garden projects, such as:

  • Retaining Walls: Supports soil and prevents erosion while adding a stylish touch.
  • Planters: Create structured garden beds with a sleek look.
  • Outdoor Seating Areas: Design built-in seating around fire pits or patios.
  • Steps and Pathways: Construct elegant and durable step structures.
  • Pillars and Fire Features: Enhance your outdoor space with beautiful stone accents.

Imagine a minimalist backyard with clean, structured lines—Pisa™ XL Smooth makes that vision a reality.


Product Details

Colors: Available in Granite, a sophisticated neutral tone that complements various outdoor designs.

Shapes & Sizes:

  • Coping (15 3/4″ x 3″ x 12 7/8″)
  • Corner (15 3/4″ x 5 7/8″ x 7 7/8″)
  • XL Tapered (15 3/4″ x 5 7/8″ x 11 7/8″)

Technologies:

  • Classic: A timeless design with a smooth, polished finish.

Installation Guide

Thinking of a DIY project? Pisa™ XL Smooth can be installed with the right tools and preparation. Here’s a simple breakdown:

  1. Prepare the Base – Excavate and level the ground, then add a layer of compacted gravel (6”-8” recommended).
  2. Lay the First Course – Place the first row of blocks, ensuring they are level and aligned properly.
  3. Build Upwards – Stack blocks using the built-in tongue and groove connection system.
  4. Add Coping – Secure coping stones with a strong concrete adhesive for a polished finish.
  5. Backfill and Compact – Use crushed stone or gravel to backfill behind the wall, ensuring proper drainage.

Pro Tip: If you’re tackling a large retaining wall (over 24” high), consider professional engineering support to reinforce the structure.


Benefits of Unilock Pisa™ XL Smooth

  • Durability: Engineered for strength and long-term stability.
  • Aesthetic Appeal: Sleek, modern design with clean lines.
  • Versatility: Suitable for various outdoor structures.
  • Easy Installation: The tongue and groove system allows for quick and efficient setup.

Best Practices When Shopping for Pisa™ XL Smooth

What to Look For:

  • High-quality concrete material for strength and longevity.
  • Proper sizing for your project’s needs.
  • A design that complements your existing outdoor aesthetic.

Common Mistakes to Avoid:

  • Skimping on base preparation, which can lead to instability.
  • Choosing the wrong block size for high walls.
  • Ignoring drainage requirements, which can cause long-term damage.

Why Choose Unilock?

Unilock has been a trusted name in hardscaping for decades, known for their innovation, quality, and customer support. Contractors across North America recommend Unilock for their reliability and exceptional service. From stunning product designs to technical support, Unilock stands out as a leader in the industry.


Ready to Transform Your Outdoor Space?

Pisa™ XL Smooth is an investment in both beauty and functionality. Whether you’re creating a sleek backyard retreat or reinforcing a large landscape, Pisa™ XL Smooth has you covered.

Next Steps:

  • Find a Dealer: Locate a supplier near you.
  • Request a Sample: See and feel the quality of Pisa™ XL Smooth for yourself.
  • Consult a Pro: Get expert advice on your project.

Your dream outdoor space is just a Pisa™ XL Smooth wall away!

UNILOCK PISA™ XL SMOOTH

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