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?

termite colony, facilitating the transport of food and pheromones.

4. Key Signs You’re Dealing With Termites, Not a Hidden Water Leak
Apart from mud tubes, other signs indicate a termite infestation rather than a water leak. Look for discarded wings near windowsills or light fixtures, which are a sign of termite swarming. Additionally, damaged wood that continue reading …