Transform Your Outdoor Space with Unilock SienaEdge™
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 SienaEdge™, a strong and modern modular retaining wall system designed for efficiency and ease of installation.
What is Unilock SienaEdge™?
SienaEdge™ is a modular concrete retaining wall system that is perfect for stabilizing and containing earth embankments of various sizes. Its sleek design allows it to be used for both gravity walls (without geogrid) and geogrid-reinforced walls, making it ideal for projects up to 30 feet (9m) or higher with proper engineering.
Where Can You Use SienaEdge™?
This versatile product is perfect for a variety of backyard and garden projects, such as:
- Retaining Walls: Provides stability and structure to your yard.
- Planters: Create visually appealing raised garden beds.
- Outdoor Kitchens: Build durable, modern outdoor cooking spaces.
- Seat Walls & Fire Features: Design inviting entertainment areas.
- Steps & Pathways: Construct elegant and functional landscape transitions.
- Water Features: Enhance your outdoor space with stunning water elements.
Imagine a backyard with stylish seat walls and a fire pit—SienaEdge™ makes that vision a reality.
Product Details
Colors: Available in Granite, a refined neutral tone that blends seamlessly with outdoor designs.
Shapes & Sizes:
- Coping (35 1/2″ x 7″ x 11 1/2″)
- Standard Block (35 1/2″ x 7″ x 11 1/2″)
Technologies:
- Classic: A timeless design with a smooth, polished finish.
Installation Guide
Thinking of a DIY project? SienaEdge™ can be installed with the right tools and preparation. Here’s a simple breakdown:
- Prepare the Base – Excavate and level the ground, then add a layer of compacted gravel (6”-8” recommended).
- Lay the First Course – Place the first row of blocks, ensuring they are level and aligned properly.
- Build Upwards – Stack blocks using the multifunction block design, which integrates corners and standards in one unit.
- Add Coping – Secure coping stones with a strong concrete adhesive for a refined finish.
- 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 30 feet high), professional engineering support is recommended to ensure long-term stability.
Benefits of Unilock SienaEdge™
- Durability: Built for long-lasting strength and stability.
- Modern Aesthetic: Clean and sleek design for contemporary landscapes.
- Versatility: Suitable for various outdoor applications.
- Easy Installation: The multifunction block design simplifies construction.
Best Practices When Shopping for SienaEdge™
What to Look For:
- High-quality concrete material for longevity and performance.
- Proper sizing for your specific project.
- 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?
SienaEdge™ is an investment in both beauty and functionality. Whether you’re creating a sleek backyard retreat or reinforcing a large landscape, SienaEdge™ has you covered.
Next Steps:
- Find a Dealer: Locate a supplier near you.
- Request a Sample: See and feel the quality of SienaEdge™ for yourself.
- Consult a Pro: Get expert advice on your project.
Your dream outdoor space is just a SienaEdge™ wall away!


