Cabling & Bracing in Charlotte, NC

A split oak in Cotswold that didn't come down

A homeowner in Cotswold called us after two other companies had already looked at a big willow oak with a trunk that forked low and split half open in a summer storm. One company quoted removal. The other quoted removal with a rush fee on top. Wes climbed it, found the split was contained to one of the two co-dominant stems, and the rest of the tree, the root flare, the second stem, the canopy over the rest of the yard, was solid. We cabled the two stems together, ran a through-rod at the split, and the tree is still standing over that yard today. Removal would have been faster. It wouldn't have been the right call.

What cabling and bracing actually is

They're different tools for the same underlying problem: a tree with more than one main stem, or a major limb, that's structurally weaker than the rest of the tree.

• Static cabling — a steel cable installed high in the crown, connecting two stems or limbs with almost no slack. It restricts how far they can move independently, which keeps a weak union from splitting further in wind. It's the standard choice for a co-dominant trunk with included bark.
• Dynamic cabling — a synthetic rope system with some give built in, installed lower and allowing more natural movement. It's a gentler support, often used on younger trees or limbs where you want the tree to keep flexing and building reaction wood rather than being held rigid.
• Through-rods — threaded steel rod drilled straight through both stems at the point of an existing split or a weak crotch, then cinched tight. This is the direct fix for a union that's already cracked, like the Cotswold oak. It physically holds the two halves together at the failure point, usually paired with a cable higher up to share the load.

The hardware itself is unglamorous: on most co-dominant oaks we're running 3/8-inch or 1/2-inch extra-high-strength steel cable through drop-forged eye bolts set in solid wood, not a hardware-store turnbuckle. It's sized to the diameter of the stems it's holding, not a one-size-fits-all fix, and it's installed with enough slack for the trunk to keep adding girth around the hardware for years without the cable cutting in.

Which trees are good candidates

Not every tree with two trunks needs hardware. We're looking for a specific set of conditions:

• Co-dominant stems with included bark — two trunks of similar size growing from close to the same point, with bark pinched between them instead of solid wood. That seam is the failure point.
• A crotch that's already split or cracked from a storm, without the tree having failed completely. If the union is holding but compromised, cabling and rods can often stabilize it before it goes further.
• Heritage oaks worth the investment — the 80-to-100-year-old willow oaks and water oaks that make up so much of the canopy in Myers Park and Dilworth. A tree that size took a century to grow. Supporting a weak point in it is almost always cheaper than what it costs a neighborhood to lose it.

Poor candidates: a stem with significant internal decay behind the union, a lean that's actively progressing season over season, or a tree where the weak point sits low enough that failure would still take out whatever's underneath even with hardware installed. We see more of this work after a bad wind event than any other time of year — a straight-line thunderstorm or the tail end of a hurricane moving through will find every included-bark union in Charlotte's older neighborhoods, the way Hugo did back in 1989. Loblolly pines mostly just snap; it's the big-canopy oaks with a weak crotch that are usually candidates for cabling instead of a total loss.

Cabling versus removal

Inspection interval

Cabled and braced trees aren't a one-time fix. We recommend a re-inspection every two to three years, sooner after a significant storm. Wes checks the hardware for wear, looks at how the tree has grown around it, and confirms the original weak point hasn't changed. Cables can loosen as a tree adds girth; rods stay put, but the wood around them is worth checking.

When we'll say no

We turn down cabling jobs regularly, and we'd rather tell you that up front than sell hardware that won't hold. We won't cable a tree with significant decay behind the union — hardware can't compensate for wood that's already gone. We won't cable a stem that's actively leaning further each season; that's a removal, not a support job. And if the failure point is low enough that a break would still land on the house or the driveway even with cabling installed, removal is the honest answer, not a compromise. A consultation tells you which situation you're in. See arborist consultation for how that works.

Questions about this