Air Spade Root Excavation and Tree Health Services
We are proud to offer air spade services as part of our comprehensive tree care solutions. An air spade is a specialized, compressed-air tool used to safely remove soil from around a tree’s root system without damaging roots. As a result, this non-invasive process allows our arborists to evaluate root conditions, correct structural problems, and improve compacted or poor-quality soil that may be affecting tree health, like soil compaction. “Soil compaction occurs when the pore space is reduced, limited the movement and availability of air and water. When this happens around roots at the base of a tree, it limits the fertility of roots and can be harmful to the entire tree”[i].
[i] https://www.nps.gov/articles/000/relieving-compaction-around-tree-roots.htm
In addition, root excavation can be performed in preparation for construction projects. By exposing and protecting roots ahead of time, critical root zones can be worked around rather than damaged during digging.
excavated roots
Air Spade Girdling Roots and Root Excavation Treatment
One of the most common issues revealed during root excavation is girdling roots. These roots grow in a circular pattern around the trunk and, over time, restrict the movement of water and nutrients. Most often, improper planting depth or long-term soil compaction causes this condition.
Using an air spade, our arborists can clearly expose the root system and safely sever problematic roots. For example, severe girdling roots on a Norway maple were contributing to canopy dieback. After correction, the soil was replaced with significantly reduced compaction and finished with a fresh layer of mulch. Consequently, this created an oxygen-rich environment that supports root recovery.
treating girdled roots
Air Spade Root Collar Excavation
In some cases, people plant trees too deeply, which leaves the root collar buried below the soil surface. When this happens, the risk of decay, disease, and future girdling roots increases significantly.
Through careful excavation, arborists remove excess soil to properly expose the root flare. As a result, airflow improves, moisture buildup against the trunk decreases, and long-term structural and health issues become far less likely to develop.
inspecting the root system
Soil Replacement and Amendment
Compacted or nutrient-poor soil can severely limit root function. When our arborists identify poor soil conditions, they remove compromised material and replace it with high-quality soil amendments. In turn, this approach improves drainage, increases oxygen availability, and supports healthier root growth.
Class is in session
Why This Service Is an Effective Diagnostic Tool
Overall, an air spade serves as one of the most effective diagnostic tools for evaluating below-ground tree problems. When a tree shows signs of decline without an obvious cause, exposing the root zone reveals critical issues that above-ground inspections often miss.
For this reason, if you are unsure why your tree’s health is declining, an air spade service often provides the clearest and most effective path to identifying and correcting the underlying problem.
clearing out girdled roots
