Exposed rocks along the coastline can be broken down by the processes of weathering. Freeze-thaw weathering occurs when rocks are porous (contain holes) or permeable (allow water to pass through).

Freeze-thaw weathering occurs when rocks are porous (contain holes) or permeable (allow water to pass through). Water enters cracks in the rock. When temperatures drop, the water freezes and ...

Experts recommend monitoring cracks and taking preventative steps in the spring and summer to protect home foundations from freeze-thaw cycles.