How to Install Metal Paver Edging | Step-By-Step

Metal paver edging is what keeps your patio from becoming a slow-motion avalanche. Skip it, and pavers drift, sink, or wander into the lawn. The good news: installing it right takes a few hours, a handful of tools, and one key decision about where the edging sits. That decision—resting on the gravel base, not the sand—is where most installations fail.

What You Need Before You Start

Gather everything before you dig. The full list is short, but each piece matters.

• Shovel or edging shovel for the trench
• String, stakes, chalk, or spray paint to mark the perimeter
• Metal paver edging strips (enough length plus 10% for overlaps or cuts)
• Steel spikes or anchoring stakes (length varies by system—see below)
• Mallet or hammer, plus a wood block to protect the edging from direct blows
• Tin snips, utility knife, pliers, or a circular saw for cutting, depending on your edging material
• Hand tamper or plate compactor for the base

Landscape fabric is optional, mainly for weed control along the edge. Skip it if your base is solid and you plan to mulch the border.

Where Should Metal Paver Edging Sit?

This is the question that separates a patio that lasts from one that shifts. The edging should rest directly on your compacted aggregate base, not on the sand layer where you set the pavers. A paver-specific installation guide is explicit: the edging goes on top of the gravel base before you screed sand and set pavers.

Different products call for different heights, so check the installation sheet that came with your edging. The common thread: the edging must touch the paver sides and grip the base below, not float on sand.

One more detail worth knowing: extend the aggregate base 6–12 inches beyond the final paver edge and excavate an edge trench 4–6 inches wide. That extra base gives the edging something solid to bite into.

How to Install Metal Paver Edging: Step by Step

Work through these steps in order, and the edging will hold for years.

Mark the perimeter. Lay out the edge with string, stakes, chalk, or spray paint. This line defines where the edging goes and keeps your trench straight.

Clear and level the area. Remove grass, weeds, rocks, and debris along the edge. A clean trench means the edging sits flat against the base.

Compact the base. Tamp the aggregate until it’s firm. The edging’s longevity depends on this step—skipping it leads to settlement and movement later.

Place the edging. Set the metal edging along the outer perimeter, tight against the pavers or your border course. It should rest on the gravel base and touch the paver sides.

Cut and bend for curves. Use tin snips, a utility knife, pliers, or a circular saw, depending on your edging material. For gentle curves, bend the edging by hand. For corners, cut and overlap.

Drive the stakes. Hammer steel spikes through the edging into the compacted base. Space them every 12–18 inches, with extra stakes at joints and curves. Use a wood block between hammer and edging to avoid denting the metal.

Backfill and finish. Fill the trench with soil, mulch, topsoil, or crushed stone, then compact it. The exposed height of the edging controls how much top material you need—a good target is a trench about 1/2 inch shallower than the edging’s height.

Stake Spacing: What Works

Sources disagree on exact spacing, but they agree on the principle: anchor often, especially at joints and curves. The numbers below reflect different product systems, so treat them as guidance, not gospel.

Whichever stake you use, add extras where sections join and where the edging bends.

Before you buy edging, see what worked for other homeowners: our tested roundup of best metal paver edging options compares the top systems side by side.

Common Mistakes to Avoid

Most edging failures trace back to one of four errors.

• Setting edging on sand. The edging must rest on the compacted gravel base. Sand shifts; gravel doesn’t.
• Skipping base compaction. Loose base settles, and the edging sinks with it.
• Wrong height. Too high, and the edging looks like a guardrail. Too low, and it won’t hold pavers. Match the exposed height to your product’s spec.
• Too few stakes. Sparse anchoring lets the edging bow or lift. Space stakes consistently and add extras at joints and curves.

Wear gloves and eye protection when cutting or driving stakes—metal edging has sharp edges, and hammering sends debris flying.

FAQs

How deep should metal edging be buried?

The edging’s exposed height determines trench depth.

Can you install metal edging on a slope?

Yes, but it takes more planning. The base still needs full compaction, and the edging must follow the grade without gaps under it. Cut and bend sections to match the slope, add extra stakes where the edging changes direction, and backfill carefully so no voids form beneath the metal.

Does metal edging rust?

Most paver edging uses steel with a protective coating, and some systems use aluminum or galvanized steel that resists corrosion far better than bare metal. If you live near salt water or use de-icing salts nearby, choose aluminum or a system rated for coastal exposure.