Ducting in your subfloor can restrict cross airflow and cause conditions conducive to termites. You should have all your ducting tied up hard against the underside of your flooring so air can completely pass over the soil surface.
Ducting in your subfloor can restrict cross airflow and cause conditions conducive to termites. You should have all your ducting tied up hard against the underside of your flooring so air can completely pass over the soil surface.