Stopping a Dog from Digging Out Under a Wood Privacy Fence with a 24-Inch Flat 1/2-Inch Hardware Cloth Dig Mat Pinned by 6-Inch Landscape Staples

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Lay a 24-inch-wide strip of 1/2-inch, 19-gauge galvanized hardware cloth flat on the ground along the inside of the fence, bend the fence-side edge up 2 inches and fasten it to the bottom of the boards, then pin the yard-side edge with 6-inch, 11-gauge landscape staples every 12 inches. Grass grows through it within a season. A dog that starts digging at the fence line hits wire on the first stroke and can't get under the boards.

How do you stop a dog from digging out under a wood fence?

Lay a 24-inch strip of 1/2-inch, 19-gauge galvanized hardware cloth flat along the inside of the fence, fasten a 2-inch upturned lip to the bottom boards, and pin the yard-side edge with 6-inch landscape staples every 12 inches. Then work on the reason the dog is trying to escape.

UC Davis's veterinary behavior handout, Why Does My Dog Dig?, lists escaping as one reason dogs dig and suggests that, in severe cases, you reinforce the fence into the ground with cement or lay chicken wire. It also says to look for why the dog is escaping and to consult your veterinarian, since dog aggression may be behind it.

Penn State Extension's small-scale poultry housing guide uses the same principle for runs: bury the wire at least 12 inches along the pen border and toe it outward about 6 inches to stop most predators from digging under. A dog is digging from the inside, so the toe goes on the dog's side, and a flat mat pinned to the surface does that job without trenching along every post.

The landscape staples are the hardware that make a surface mat work. Without them the cloth lifts at the yard-side edge, and a dog will hook a paw under it.

Dig Mat Width by Dog

Dog Typical digging pattern Mat width Staple spacing on yard-side edge
Small terrier or dachshund Fast, narrow holes right at the boards 18 inches Every 12 inches
Medium dog, 30-60 lb Wider holes starting a foot out 24 inches Every 12 inches
Large dog over 60 lb Big holes, starts up to 18 inches out 36 inches Every 8 inches
Any dog at a gate Concentrated digging at the gap 36 inches, plus a sill Every 8 inches

Mesh Choice

Mesh Opening Wire Fence-line notes
Galvanized hardware cloth 1/2 inch 19 gauge Welded, paws can't punch through, grass grows through; the spec used here
Chicken wire 1 inch hex 20 gauge UC Davis mentions it; a determined large dog can tear twisted hex
Welded wire fencing 2 × 4 inch 14 gauge Strong, but small paws fit through the openings
Hardware cloth 1/4 inch 23 gauge Too fine for grass to root well; lighter wire

For the full mesh-and-gauge breakdown across other builds, see the hardware cloth mesh size and gauge guide.

Materials and Tools

  • 6-inch, 11-gauge galvanized landscape staples, about 1 per foot of fence for the yard-side edge plus 1 per 2 feet through the middle
  • 1/2-inch, 19-gauge galvanized hardware cloth, 24 inches wide (or 36 inches for large dogs and gates)
  • 1-1/4-inch exterior screws with 1-inch fender washers, or T50 1/2-inch staples, for the upturned edge
  • Straight-cut aviation snips and lineman's pliers
  • 2-lb drilling hammer or rubber mallet
  • Flat spade and a steel rake
  • Leather gloves, safety glasses, and long sleeves
  • Bagged topsoil and grass seed for bare spots

Installation Sequence

  1. Find the digging zones. Walk the fence line and mark every hole, gap under the boards, and spot where the dog runs and paces.
  2. Fill and level. Backfill old holes, tamp them firm, and rake a flat 24-inch band along the fence so the mesh will lie in full contact with the soil.
  3. Bend the fence edge. Unroll the cloth beside the fence and bend a 2-inch lip up along one long edge, using a 2x4 as a brake.
  4. Fasten the lip. Set the lip tight against the bottom of the fence boards and fasten it with a screw and fender washer every 12 inches, or T50 staples every 3 inches.
  5. Pin the yard-side edge. Pull the mat flat toward the yard and drive a landscape staple every 12 inches along the outer edge, 1 inch in from the cut wires.
  6. Pin the middle. Add a staple every 24 inches down the center of the mat so it can't dome up between the edge rows.
  7. Lap the joints. Overlap each new roll 4 inches over the last and pin through both layers every 12 inches.
  8. Wrap the posts. Cut a notch around each post, wrap the cut tabs around the post, and pin both sides of the notch with staples.
  9. Seed or sod the mat. Spread 1/2 inch of topsoil, seed, and keep it moist, or lay sod strips right over the mesh.

The same overlap and pinning detail is used for a predator dig-under hardware cloth apron on a chicken run, just turned to face inward.

Gates

A gate is where most dig-outs happen. Lay a pressure-treated 2x6 or a row of concrete pavers flush with grade across the gate opening, run a 36-inch mat under it, and staple the mat every 8 inches on both sides.

Keep at least 1 inch of swing clearance between the gate bottom and the sill so the gate can't snag the mesh.

Paw Safety

  • Fold or file every cut edge so no wire ends point up, using the snip-and-fold method for cutting hardware cloth without sharp edges
  • Seat every staple crown flush; a proud crown is a toe catch
  • Check the mat after rain, after mowing, and weekly for the first month
  • Re-pin any edge that lifts the same day you see it
  • Supervise the dog in the yard for the first two weeks while the mat settles
  • Never chain the dog to keep it from the fence; UC Davis lists chaining as a don't, because of injury risk

Fix the Reason Too

UC Davis says escape digging can be seasonal in intact dogs and can come with barking, fence running, and lunging at neighbor dogs. Its suggestions include more exercise and enrichment, regular poop scooping, a false fence to add distance from neighbor dogs, and considering neutering intact males.

It also says not to punish a dog for digging. A dig mat stops the escape route; it doesn't fix boredom, anxiety, or a dog fixated on the neighbor's yard.

Common Dig Mat Mistakes

  • Pinning only the fence side and leaving the yard-side edge loose
  • Laying the mat on lumpy ground over unfilled holes
  • Using a mat narrower than the distance the dog starts digging from the fence
  • Leaving gate openings unprotected
  • Leaving cut wire ends up or staple crowns proud
  • Using chicken wire for a large, determined digger

FAQ

Will the dog just dig at the edge of the mat?

Some try. A mat wider than the dog's starting distance, pinned every 12 inches, puts the edge far enough from the fence that a hole there leads nowhere.

Can I mow over the mat?

Yes, once grass has grown through and every staple is flush. Keep the mower at a normal height and string-trim the strip nearest the boards.

Does this work on chain-link fence?

Yes. Tie the upturned lip to the bottom wire of the chain link with galvanized ties every 12 inches instead of screwing it to boards.

Should I bury the mat instead?

You can cover it with 1 to 2 inches of soil, but keep the staples. A buried mat that isn't pinned can still lift where the dog digs at its edge.

Quick Dog Dig Mat Checklist

  • Digging zones marked; holes filled and tamped
  • 1/2-inch, 19-gauge galvanized hardware cloth, 24 inches wide (36 inches for large dogs and gates)
  • 2-inch upturned lip fastened to the fence bottom every 12 inches
  • 6-inch, 11-gauge staples every 12 inches on the yard-side edge, 24 inches down the middle
  • Joints lapped 4 inches; posts notched and pinned
  • Gate sill installed with a 36-inch mat stapled every 8 inches
  • Cut edges folded, staple crowns flush, weekly checks for the first month
  • Cause of the digging addressed with your veterinarian

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