For an effective chemical soil treatment, any areas we can trench (instead of drilling and injecting) will always offer a better application.

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These can be grass or lawn, garden, or could involve lifting pavers (if they're not concreted in).
Given the treatment is only a few hundred millimetres off the building, this usually isn't too invasive (no bobcat is required), but it may mean disturbing some of the lawn, or removing a few plants too close to the building. If this is required, it will be discussed with you prior, and there are alternative treatments available (like bait stations) if this is a concern for you.
As mentioned in a previous video, it is essential to get right down to the footing. On occasion, this might mean deeper footings (say deeper than 300mm), which could require rod injecting to get there. However, most of the time it means digging the soil out of the trench and exposing the top of the footing (technically 50mm past the top of the footing).
Once the footing is exposed, it is important to dig under any plumbing or electrical services that sit on or through the footing (that might be in the way) and remove all mortar and debris from on top of the footing. Termites love to find these areas and track straight underneath them, which is why we always dig right under these to apply the chemical appropriately. Imagine doing all that digging and falling short with the treatment by simply not doing that little bit extra?
Once the chemical is applied to the footing area, and underneath these services, the process is then to start to backfill the soil and mix the chemical right through to create a continuous treated zone.
A major point of difference at Suburban is we will replace the soil dug out with our own soil mix as standard. A full replacement may not always be required but adding some newly brought in soil should be standard practice, however, it is not common practice in our industry. The chemical only binds to organic matter, so any rocks, clay, tree roots or any building rubble must be removed, otherwise gaps will be left and the treated zone will not be continuous.
Getting the ground height back to what it was is crucial and leaving the site neat and tidy is an important part of any service for any technician visiting your home. At Suburban our goal is to always leave your place as neat and tidy as we found it.
In our next video, we cover drilling into concrete and tiles.

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