22" Height Rigid Weathering Steel Edging

22" Height Rigid Weathering Steel Edging Panels

When your design demands perfectly straight lines and the flexibility to cut to any length, Rigid is the answer. Straightcurve's 22" rigid CorTen steel edging is built for geometric raised beds, straight-run retaining walls, kitchen gardens, and hard surface installations where precision matters. Unlike Zero Flex, Rigid panels can be cut and rejoined with a sleeve — giving you complete control over your dimensions.

Rigid edging comes in three heights to suit any project:

• 9.5" Height — Low-profile edging for borders, shallow beds, and patio installations
• 15.75" Height — Mid-height option for accessible beds and tiered designs
• 22" Height — You are here. The most popular height for deep raised garden beds and statement planters

💡 Pro Tip: Mix Heights on Sloped Sites — All three Rigid heights (9.5", 15.75", and 22") can be connected together and leveled at the top. As the ground rises, step down to a shorter panel — so you're never burying more steel than necessary. A smart technique for terraced gardens, sloped retaining walls, and hillside installations.

🛠️ Use our free Planter Box Configurator to design your layout and get an exact parts list.

Note: The configurator is designed for fully closed planter boxes (square, rectangular, or L-shaped). Rigid edging is also ideal for open-ended applications — single-sided retaining walls, 2-sided corners, 3-sided U-shapes, and straight barrier runs. For those layouts, use the configurator as a starting point and adjust quantities as needed, or email us and we'll help you work out exactly what you need.

• Can be cut and rejoined with a sleeve — ideal when you need a non-standard length
• 2mm thick CorTen (weathering steel) — built to outlast the job site
• 8mm top edge — no sharp edges, bold professional finish
• Panels sold in pairs — mix and match sizes for any configuration
• Arrives in pre-rust state — natural patina develops after installation
• Preformed corners available — 4" each side of the 90° bend

• Straight-sided raised garden beds and kitchen gardens
• Geometric and formal garden designs
• Straight-run retaining walls and terraces
• Single-sided, 2-sided, and 3-sided open configurations
• Rooftop and hard surface (decking) installations
• Raised border edging

• Large Panels — 2 x 71"
• Medium Panels — 2 x 31.5"
• Filler Packs — 2 x 15.75" and 2 x 8"
• All panels: 2mm thick, 8mm top edge
• Preformed corners: 4" each side of the 90° bend

• Long twisted nails and connectors included with panels
• Tek screws and driver bit included when purchasing anchor posts
• Not included: anchor posts, universal bracing, and preformed corners (available as add-ons above)

Choose between Universal Bracing or Anchor Posts (or a combination). Universal Bracing is recommended for the easiest installation.

• 2 per section for 71" panels
• 1 per section for 31.5" panels

Need a custom length? Rigid edging can be cut and rejoined using a sleeve connector. Add the sleeve variant above if your project requires non-standard panel lengths.

Download 22" Rigid Installation Instructions (PDF)

Use the Planter Box Configurator for closed box layouts, or email us at info@straightcurve.com for open-run and retaining wall configurations. We'll make sure you have exactly what you need.