Build clean, modern retaining walls with the Sigma Plus 8" Smooth Wall retaining wall block. Achieve a sleek, stacked look that aligns quickly and stays true, so weekend projects finish on schedule. Use the generous 8" height and 18" length to cover more area with fewer courses and joints. Count on durable concrete that stands up to weather and everyday yard use.

Key Features

• Smooth face: Deliver a modern, uniform look that complements contemporary landscapes.
• 8" x 18" sizing: Speed up installs with fewer seams and cleaner lines.
• 12" depth: Gain a deep profile for stable walls and confident backfill.
• Concrete construction: Resist harsh weather and freeze–thaw cycles with low maintenance.
• Consistent dimensions: Align courses easily for straighter runs and tighter joints.
• Layout flexibility: Tackle straight lines and gentle curves for custom designs.
• Cap ready: Finish the top with wall caps for a polished edge (sold separately).

Applications

Shape attractive landscape walls for garden beds, property edges, and sloped areas. Build seat walls, raised planters, columns, and borders around patios or outdoor living spaces. Create neat transitions between lawn, mulch, and hardscape while keeping soil where it belongs.

Specifications

• Material: Concrete
• Dimensions: 8" High x 12" Deep x 18" Long
• Finish: Smooth-face surface
• Colors: Availability varies by location; check in-store options
• Face coverage: Approx. 1 sq ft per block

Plan a solid base: compact 4–6 inches of gravel, set the first course perfectly level, and backfill with clean drainage stone. Use geogrid and follow local codes for walls over 3 feet, or consult a professional for engineered designs.