Tree Root Problems Frankfort KY | Sidewalks & Drives

Root Problems

Before you cut roots, find out what it costs the tree.

Tree Root Problems in Frankfort, KY

Lifted sidewalks, cracked drives, roots in the lawn, and worries about the foundation are among the most common reasons people call about a tree they otherwise like. The important thing to know first: cutting major roots to solve a surface problem can quietly destabilise the tree.

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Where tree roots actually are

Not deep. The great majority of a tree’s absorbing roots sit in the top foot or so of soil, spreading well beyond the branch tips — often far wider than the canopy. That is why surface problems are common and why trenching anywhere near a tree matters.

It also means “just cut the roots on that side” removes a much larger share of the root system than people assume, and does it all on one side, which is precisely how a tree ends up unstable in the direction it is now leaning toward.

Options that do not risk the tree

Grind and re-pour just the lifted slab section, with a flexible joint
Ramp or bridge the walkway over the root rather than through it
Reroute the path a short distance around the root zone
Root barrier installed at a safe distance to direct future growth
Permeable or flexible paving in the affected area
Accept a modest grade change where it is not a trip hazard

When roots can be cut

Small roots can generally be pruned without much consequence. Large structural roots close to the trunk are a different matter — cutting them affects both stability and health, and the effect on stability is immediate even though the health decline is slow.

A rough working principle is that the closer to the trunk and the larger the root, the higher the cost of cutting it. We would rather assess it than have you find out afterwards.

Foundations, honestly

Tree roots rarely break sound foundations by pushing through them. What roots can do on clay soils is contribute to moisture changes that cause shrink-swell movement, and roots will exploit an existing crack or a leaking line rather than create one.

If a foundation is moving, the cause is usually water and soil rather than the tree — and removing the tree without addressing drainage tends to disappoint. See our note on drainage in diagnosis.

Roots crossing from a neighbor’s tree onto your property are a separate question from roots on your own tree — see our guide on cutting a neighbor’s tree roots under Kentucky law before you reach for a saw.

Planning a home addition, driveway, or pool near a tree you want to keep? Roots damaged during construction cause the same lifted-slab and stability problems covered above, but the fix is prevention rather than repair — see our guide on protecting trees during construction before the contractor breaks ground.

Common questions

For region-specific guidance, the Franklin County Cooperative Extension Service publishes local horticulture and home-maintenance resources for property owners here.

Can I cut the roots lifting my sidewalk?

Small ones usually. Large structural roots near the trunk affect stability immediately, and that is worth assessing before anyone brings a saw to them.

Will removing the tree stop my foundation moving?

Often not. Foundation movement on Kentucky clay is usually driven by drainage and soil moisture. Fix the water first and you may keep the tree.

Are surface roots in my lawn a problem?

Mostly a mowing nuisance. Do not bury them under added soil to hide them — that suffocates roots and is a common way to slowly kill a mature tree.

We are trenching for a utility line. How close is too close?

Ask before you dig rather than after. Where the trench must pass near a tree, tunnelling beneath the root zone rather than cutting through it makes an enormous difference.

New: full breakdown of girdling roots — warning signs and what to do.