Best Hardware Cloth for a Predator-Proof Run: Gauge, Mesh, and the Apron

Chicken wire isn't predator protection

Chicken wire is thin, soft, hexagonal netting. You can cut it with scissors. A raccoon doesn't cut it. A raccoon pulls it, works a hole open at a staple, or reaches an entire arm through a one-inch gap and takes hold of whatever is against the mesh. Keepers describe walking out in the morning to a hen killed through wire that still looks intact, pulled apart from the outside. Most people don't plan for that one, because the wire looks fine right up until the morning they find the bird.

Hardware cloth is a different product with a name that hides it. It's welded steel mesh rather than woven wire, so a pull that would open chicken wire meets a rigid grid instead. A raccoon that reaches at half-inch mesh finds an edge, not a bird. The squares are small, and the cut ends are sharp enough to draw blood on your own arm while you install it.

The keeper who defends chicken wire usually has a real point buried in it, which is money. A roll of chicken wire is cheap, it kept his birds alive, and he isn't wrong that no wire matters if a stray dog is already in your yard. Where we part company is what happens the first night a raccoon shows up, because a raccoon has all night and the wire has one job it can't do. So we treat chicken wire as a way to keep birds contained inside a run that's already predator-proofed some other way, and never as the barrier itself.

Gauge and mesh, and the number that runs backwards

Two numbers decide the cloth. Mesh is the hole size, half-inch or quarter-inch. Gauge is the thickness of the wire, and the scale runs backwards: 19-gauge is thicker than 23-gauge, and the bigger number is the thinner wire. (Everyone reading a listing gets that wrong at least once.) For a run against raccoons, foxes and dogs, the spec keepers land on over and over is half-inch mesh in 19-gauge wire. The holes are smaller than a dime and the wire holds under a pull.

Quarter-inch is where it stops being simple. Quarter-inch mesh shuts out the animals half-inch lets through, meaning snakes, mice, and weasels, which flatten through anything a quarter-inch or wider. The trouble is the wire. Most quarter-inch cloth on the shelf is 23-gauge, which one keeper after another calls useless and says tears open like paper. So you're choosing between a mesh small enough to stop a weasel and a wire thick enough to stop a raccoon, and the common rolls don't give you both at once.

We couldn't establish whether a genuine 19-gauge quarter-inch cloth is actually sold anywhere. One keeper thinks he used quarter-inch in 19 or 23 gauge but wasn't sure; another, standing in the same aisle of the argument, says it only comes in 23 and that's that. The keepers who wanted the perfect roll couldn't find it, and the ones who claim it exists never link it. So far that's unresolved, and we would rather tell you that than pretend the ideal cloth is one click away. Build the run out of half-inch 19-gauge and you accept the two things it doesn't do: it doesn't stop a mouse, and a raccoon can still reach a paw through half an inch, so nothing roosts or sleeps against the wall.

The apron is the part people skip

A wall of hardware cloth stops nothing that digs. Foxes, dogs, skunks and raccoons go under, and they dig at the base of the fence rather than out in the middle of the run. The fix is an apron: hardware cloth carried outward along the ground, buried or pinned flat, so a digger hits wire a foot or two before the wall and gives up. Twelve to eighteen inches out is the range keepers use, buried a few inches down or just staked to the surface.

You don't have to dig a trench for it. Bending the cloth into an L and running it flat on the surface, about two feet out, works because an animal digs where the wall meets the ground and never backs up to start outside the apron. Pin it with landscape staples, weight it with pavers, and let the lawn grow through it until you can't see it. (The wire vanishing into the grass within a season is the one satisfying part of this job.) The same skirt run up the lower part of the wall keeps a raccoon from reaching in from the side to grab a bird, which is a separate way they kill.

The people who did this and stopped worrying tend to say the same thing years later. One buried ten inches of hardware cloth around the run and had coyotes give up after a single night of trying to dig, and eleven years on, nothing has gone under it.

How you fasten it decides whether it holds

The wire is only as strong as what holds it to the wood. A staple gun leaves a staple a raccoon can work loose over a night, and it has all night to do it. Keepers who have been hit fasten differently. Exterior screws driven through fender washers, or barbed poultry staples that are really U-shaped nails, or a strip of 1x2 screwed down over the edge so the cloth is clamped rather than just pinned.

Put the fasteners on the outside face of the frame, so the cloth can't be pushed inward off the wood. This is where a professionally built run sometimes fails, because a crew building for hire will staple the wire on fast and skip the buried skirt or the backed corners. That's a different set of incentives from a keeper who has already lost a flock and rebuilt against it. The corners and the bottom rail are the two spots worth checking yourself before the birds move in.

What's on the shelf now

The cloth on the shelf isn't what it was ten years ago. Keepers who bought good rolls before report that the cheaper half-inch now runs thinner, with welds that let go under tension, and that some of the Amazon 19-gauge cuts like paper under a staple gun. (Keepers who stocked up pre-COVID get a little wistful about those rolls.) Manufacturing moved overseas and the quality slid, which isn't a conspiracy, just a thing to plan around.

Which rolls are the good ones now, we can't tell you from a listing, and neither can they. What careful keepers do instead is test the roll before the run depends on it: pull a length a few inches in from the cut edge and see whether the welds hold or pop apart. A bad roll shows itself in the first foot of that test, which is a much cheaper thing to learn in the driveway than after the birds are already living behind it.

Nothing here's fully predator proof

Hardware cloth is a strong layer, not a guarantee, and the best keepers say so plainly. A big raccoon, a bear, or a determined bobcat can still get through, and people who did everything right still post the morning-after photos. (Those photos are their own grim genre on these subs.) One had a run hold for a year, then something, probably a bobcat, tore the cloth and killed the grow-outs in a night. So the keepers with the worst pressure stack layers: welded 2x4 wire or chain link over the hardware cloth, a hot wire around the perimeter, an automatic door that shuts the flock into a solid coop at dusk. The cloth handles the daytime reachers and most of the night, and the coop door and the wire on top handle the rest.

The bottom line

Build the run out of half-inch, 19-gauge hardware cloth. Fasten it with screws and washers to a solid frame, and finish it with a twelve-to-eighteen-inch apron, buried or pinned flat, all the way around. That's the setup the keepers with the fewest dead birds describe, and it's a different product from the chicken wire the search results keep pushing at you.

If your problem is small, keep the plan and change the mesh. Snakes, mice and weasels want quarter-inch, and you trade some wire thickness to get there. Everyone else wants half-inch and the apron, plus a coop that latches with something a raccoon can't work open. The picks below are the cloth we would start a run from.