Going back +15 years, they use to drill small diameter holes lined with perforated pvc pipe and use neutron moisture meters to monitor moisture levels down to a few metres.…

Cornell group TradeX moisture metres pull up this company it has all sorts of moisture metres including moisture sensors that can be install these sensor and monitor them from…

It's actually company is called Cornell group ( Tramex . )

https://www.homeone.com.au/member/cornellengineers

Hi All. Thanks for the shout out and heads up about this post Matt!
Yup, as Matt has mentioned, my new business SLABsense (SLABsense.com.au & ) is doing just what…