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Tree roots spread underground in search of water and nutrients. Depending on the tree species and soil conditions, they can extend far beyond the tree’s canopy. Over time, they may:

• Crack concrete sidewalks and driveways – Roots growing beneath paved areas can push up and crack the surface.
• Invade plumbing systems – Roots can enter underground pipes, causing blockages and costly repairs.
• Threaten home foundations – Expanding roots can displace soil and create pressure on foundations.

Signs That Tree Roots Are Causing Problems

1. Uplifted Sidewalks or Driveways

If you notice uneven pavement or cracks near trees, roots may be growing underneath, lifting the structure.

2. Slow Draining or Clogged Pipes

Tree roots often invade underground sewer lines, leading to slow drainage, backups, or frequent plumbing issues.

3. Visible Cracks in Your Home’s Foundation

Large tree roots can shift soil around your house, leading to foundation movement, cracks, and potential instability.

How to Prevent Tree Root Damage

• Choose the right tree species – Some trees have less aggressive root systems.
• Plant trees away from structures – Avoid planting large trees near buildings, sidewalks, and pipes.
• Install root barriers – These underground barriers help redirect root growth away from important structures.
• Regular inspections – If you suspect tree root damage, consult an arborist or structural expert.

What to Do If You Have Root Damage?

If tree roots are causing damage, solutions may include root pruning, installing protective barriers, or in extreme cases, tree removal. Always consult a professional before taking action to avoid harming the tree or worsening the problem.

Key Signs of a Hazardous Tree

1. Leaning or Tilting Trees

A tree that suddenly starts leaning is a major red flag. While some trees grow at an angle naturally, a sudden lean may indicate root damage or structural instability. Factors such as soil erosion, underground construction, or root decay can cause a tree to shift.

What to Look For:

• A tree that is leaning more than 15 degrees from vertical.
• Recently exposed roots at the base of the tree.
• Soil cracking or upheaval around the tree’s roots.

2. Hollow or Decayed Trunks

A tree with a hollow trunk might still be alive, but it’s significantly weaker than a solid tree. Hollow or decayed trees have reduced structural integrity and are more prone to breaking, especially in extreme weather conditions.

Signs of Trunk Decay:

• Large cavities or open wounds in the trunk.
• Soft, crumbly, or spongy wood.
• Sawdust-like material around the base, which could indicate insect activity.

3. Large Dead or Broken Branches

Dead branches, especially those hanging over driveways, sidewalks, or roofs, pose a significant risk. These branches can snap off unexpectedly, causing injury or property damage.

What to Watch For:

• Brittle branches that break easily.
• Branches with no leaves or buds in growing seasons.
• Sections of the tree that appear lifeless compared to the rest.

Regular pruning can remove dead branches and reduce hazards.

4. Exposed or Damaged Roots

Roots provide stability for trees. When they are compromised, the entire tree becomes unstable. Construction projects, heavy vehicle traffic, or soil erosion can damage roots and increase the risk of tree failure.

Signs of Root Problems:

• Large roots that appear severed or decayed.
• Fungal growth around the tree’s base.
• A tree that moves excessively in the wind.

What to Do If a Tree Shows These Warning Signs?

If you notice any of these hazards, take action immediately:

1. Inspect the tree closely – Look for worsening symptoms over time.
2. Consult a certified arborist – A professional can evaluate the tree and recommend solutions.
3. Prune or remove as needed – Trimming weak branches can help, but if the entire tree is a risk, removal might be necessary.
4. Check your insurance – If the tree causes damage, your homeowner’s insurance may help cover the costs.

Preventing Tree Hazards

Regular tree maintenance is the best way to prevent hazards. Conduct seasonal inspections, prune weak branches, and ensure trees have a healthy environment to grow. If you notice signs of weakness early, you can often save the tree before it becomes a threat.