Found these strange dirt-like veins running up my basement wall. They crumble when touched but seem hollow inside. Do I have a leak or something else?

They may use specialized tools like moisture meters and infrared cameras to detect hidden termite activity within walls or under floors.

10. Treatment Options If the Dirt-Like Veins Are Confirmed Termite Tubes
If termite tubes are confirmed, there are several treatment options available. These include liquid termiticides, which create a chemical barrier continue reading …