Do Moles Damage Foundations

Although the creatures may seem innocuous, they can cause large amounts of damage. “Moles contribute to the freeze-thaw cycle under foundations, slabs and sidewalks,” Loven explains. “Their tunnels allow water to accumulate and cracks to begin.

Can moles eat through concrete?

Effects. Tunneling through grass and dirt is the way moles search for their primary food source, earthworms. Moles will also eat white grubs and other small insects. … While moles are troublesome, they do not damage the structure of homes or buildings and cannot tunnel their way through concrete.

What kind of damage do moles cause?

They create easily noticeable trails of dead grass throughout the yard. When moles burrow close to the surface, it can cause harm to grass roots, leaving behind brown patches. While tunneling for insects, moles can disrupt the roots of vegetables and other plants, and uproot turf.