Figuring out how to secure bottom of chain link fence sections is one of those weekend projects that sounds simple until you actually start doing it. If you've got a dog that thinks he's an escape artist or a groundhog that treats your backyard like a five-star resort, you know exactly why that bottom gap is such a headache. Chain link is great for visibility and durability, but because it's flexible, that bottom edge can be pushed, lifted, or crawled under far too easily.
The good news is that you don't have to tear the whole thing down and start over. There are plenty of ways to tighten things up, ranging from quick DIY fixes to more permanent structural additions. It really just depends on what you're trying to keep in (or out) and how much time you want to spend sweating in the yard.
The Classic Tension Wire Fix
If your fence was installed by a pro, they might have mentioned a tension wire. If they didn't install one, that's probably why you're reading this. Adding a tension wire is arguably the most common way to secure bottom of chain link fence lines. It's essentially a thick, galvanized wire that runs along the very bottom of the mesh, pulled tight between the terminal posts.
The idea here is simple: by weaving this wire through the bottom diamonds of the chain link and cranking it tight, you eliminate the "give" in the fence. It makes the bottom edge much harder to lift. You'll need some 7-gauge or 9-gauge wire, some hog rings, and a pair of hog ring pliers.
One thing people often forget is that the wire needs to be really tight to do its job. You'll usually attach it to one end post, run it the length of the fence, and use a come-along or a fence stretcher to get it taut before securing it to the other side. Once it's tight, you use those hog rings to clip the wire to the fence fabric every 12 to 24 inches. It's a bit tedious, but it's a solid, clean-looking solution that doesn't break the bank.
Using Ground Stakes for Quick Results
Sometimes you don't need a full-length wire; you just have a few "soft spots" where the ground dips or a dog has been digging. In these cases, using heavy-duty ground stakes is a lifesaver. These are usually U-shaped or J-shaped metal stakes that you hook over the bottom wire of the fence and hammer deep into the dirt.
I've seen people try to use tent stakes for this, but honestly, don't bother. Tent stakes are too thin and will just pull right out the moment a medium-sized dog puts any pressure on the fence. Look for "rebar stakes" or specific "fence anchors" at the hardware store. They're thicker, ribbed so they grip the soil, and usually much longer.
The trick with stakes is to space them out according to the problem. If you're dealing with a persistent digger, you might want a stake every foot. If you're just trying to close a natural gap caused by uneven terrain, one or two in the low spot usually does the trick. It's the fastest way to secure bottom of chain link fence gaps without needing any specialized fencing tools.
The Heavy-Duty Bottom Rail Option
If you want the "Gold Standard" of fence security, you're looking at installing a bottom rail. This is exactly what it sounds like—a horizontal metal pipe that runs along the bottom, mirroring the top rail. This is what you see at high-security facilities or baseball backstops.
To do this, you'll need "boulevard clamps" (also called line rail clamps) to attach the new pipe to your existing posts. Adding a bottom rail makes the fence incredibly rigid. There is absolutely no way for a dog to lift the mesh because the mesh is tied directly to a solid steel pipe.
It's definitely the most expensive and labor-intensive route, but if you have a large, powerful dog that has already destroyed a tension wire, this is your best bet. It also looks very finished and professional. Just keep in mind that if your yard has a lot of hills and valleys, installing a straight rail can be a nightmare. It works best on relatively flat ground.
Dealing with Diggers: The Apron Method
Sometimes, securing the fence fabric itself isn't enough because the animal is just going to go under the whole thing. If you're dealing with foxes, coyotes, or a dog that thinks it's a mole, you might need an "apron."
An apron is basically an extra strip of fencing (like hardware cloth or a smaller gauge chain link) that attaches to the bottom of your fence and lays flat on the ground, extending inward into your yard. You can then cover this strip with mulch, rocks, or even bury it a few inches under the sod.
When an animal tries to dig at the base of the fence, they hit the mesh on the ground. Since animals don't understand the concept of "starting the hole three feet back," they usually give up. It's a bit of a chore to install because you're basically doing some light landscaping along the entire perimeter, but it is incredibly effective for keeping pests out of your garden.
Landscaping as a Secondary Barrier
If you aren't a fan of the industrial look of extra wires and rails, you can use landscaping to secure bottom of chain link fence perimeters. Large river rocks or decorative stones are great for this. Not only do they look nice, but they also provide a heavy physical barrier that prevents the fence from being pushed out.
I've seen some pretty clever setups where people dig a shallow trench along the fence line and fill it with heavy stones. This serves two purposes: it stops the grass from growing into the chain link (which is a pain to weed-whack) and it keeps the bottom of the fence firmly in place.
If you go this route, just make sure the rocks are heavy enough. Small pea gravel won't do much; you want something with a bit of "heft" to it. Combining a tension wire with a rock border is usually enough to stop 99% of suburban backyard "prison breaks."
Don't Forget the Ties
Sometimes the problem isn't that the fence is too loose, but that the ties have snapped or rusted away. Fence ties are those little aluminum wires that wrap the mesh to the posts. Over time, these can get brittle or get bent out of shape.
If you notice the mesh is flapping around at the bottom, take a walk along the fence and check your ties. You can buy "heavy-duty" ties or even use stainless steel zip ties for a quick fix. Just make sure you're pulling the mesh down toward the ground as you tighten them. It's a small detail, but keeping the mesh tightly secured to the posts prevents that "bowing" effect that creates gaps in the first place.
Choosing the Right Approach
At the end of the day, how you choose to secure bottom of chain link fence sections depends on the "enemy" you're fighting. A tiny Chihuahua needs a different solution than a 100-pound German Shepherd or a family of stubborn groundhogs.
For most people, the combination of a tension wire and a few strategic ground stakes is the sweet spot. It's affordable, you can do it in an afternoon, and it doesn't change the look of your yard too much. But if you've got a serious problem, don't be afraid to go for the bottom rail. It's a "one and done" kind of fix that will probably outlast the house itself.
Whatever method you pick, just remember to wear some thick work gloves. Chain link has a way of scratching up your hands before you even realize it's happening. Once you get that bottom edge locked down, you'll have a lot more peace of mind—and hopefully, a lot fewer holes in your flower beds.