The furring strips attached to the block houses are COMPLETELY green (borate treated). Drywall is paper faced and has starch as a binder in the gypsum and paper too - so you can understand why the furring strips are so well treated.
A lot of the wood is borate treated straight from the supplier when it arrives such as the furring strips and base plates for the interior walls.. And then they spray borates onto the other wood once installed.
I bet the termites don't like sand either and lack of any wood around from clearing the land so well before construction.
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