Thermal imaging is used in termite control to detect termites on a very regular basis. Not all homes will lend themselves to thermal imaging however a competent termite inspector will be able to recommend the best course of action. Thermal imaging detects infra red radiation from the top 1/1000 of an inch of the surface that the camera is being pointed at. When termites are present there will usually be some thermal irregularity pointing to that fact. Because a thermal camera is only reading infra red radiation, it is not solely going to detect termites, any irregularity in infra red radiation will show up. This is the reason that a thermal inspection should only be carried out with a visual inspection and by a competent termite control technician. The representation on the screen of the thermal camera must be interpreted by the technician who can judge whether there is in fact a termite presence or whether some further tests may need to be carried out.
I have taken some video to demonstrate in an extreme case what may be seen with a thermal imaging camera. In this video is a home that did not need to have thermal imaging carried out to locate the termites but by having it done we were able to locate the centre of the termite colony and treat directly into it. Go to this page on Termite thermal imaging and scroll down to see the video.
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