Signs of a Damp or Wet Basement

  • Water stains along walls or floor. This could be caused by something simple such as an overflowing laundry tub or it could be a result of water seeping in through basement windows, the walls or the floor.
  • Musty odor or damp smell. Excess moisture in a basement can cause an unmistakable smell.
  • Mold. It could be colored black, brown, yellow or green, and you won’t know for certain if it’s mold without testing it. Often the northwest corner of a house is known as a “cold corner” and susceptible to developing mold.
  • Efflorescence. This condition produces a white or sometimes grayish ash on the walls. Sometimes it sparkles. Efflorescence is caused by salt deposits left behind by evaporating water.
  • Spalling. When water gets inside the surface of concrete, brick or stone, salt deposits from the water cause the surface to flake away, peel or pop off.

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