Woman covering her nose due to a musty smell in her home caused by water damage.
Close-up of a water damage stain on a ceiling with visible discoloration.
Water stains on ceilings are often accompanied by musty or sour smells.
  • Drywall: Water trapped behind walls creates a damp, musty environment ideal for mold growth.
  • Carpets: Soaked padding and fibers can harbor bacteria and mildew, producing a persistent odor.
  • Wooden Structures: Floorboards or beams exposed to water can emit a rotting smell as the wood decays.
  • Basements: Basement flooding is a top cause of water damage and odors in a home.
  • Carpet and upholstery would give off a musty and damp smell.
  • Wooden furniture or floorboards usually have decaying or earthy smells.
  • Drywall or plaster generally produces a musty-sour smell. Knowing these subtle distinctions in smells will be the determinant for finding what happened with water damage and its origin.
  • Attics: Odors can arise from roof leaks or poor ventilation creating moisture. 
  • Smell behind baseboards or around outlets for most hidden wall leaks.
  • Under carpets and rugs: Lift the corners of carpets to look for dampness and odors that are sour or musty.

Signs of Water Damage Besides Smells

Mold growth on the floor under a radiator caused by water damage.
Mold growth from water damage produces musty and unpleasant odors.
  • Eye, nose, and throat irritation, chronic coughing or sneezing due to air particles.
  • Respiratory problems, especially if asthma or similar conditions are compromised.
  • Allergies: The presence of watery eyes, itchy nose, or irritated skin.
  • Asthma: Attacks would be more frequent and heavy.
  • Chronic respiratory issues: With further exposure, it might bring chronic cough, labored breathing, or even lung infections.
Restoration equipment, including fans and dehumidifiers, being used to address water damage
Professional restoration is essential to eliminate water damage odors.
  1. Dry the Affected Area: With the help of fans, dehumidifiers, and open windows, reduce the moisture levels in your space and stop mold growth altogether.
  2. Improve Ventilation: Ensure proper ventilation of the damp areas, such as the basement and bathroom, to avoid any persistence of odors.
  3. Remove Contaminated Materials: Water-soaked carpets, drywall, and insulation should be thrown away to be able to get rid of the odor completely.
  • Detect the source of hidden moisture.
  • Thoroughly remove mold and mildew.
  • Restore affected areas to avoid recurrence of the issue.
  • Find and eliminate the source of water damage, such as leaks or poor drainage.
  • Eliminate any contaminated materials and deep-clean the area.
  • Extensive Mold Growth: If mold has overtaken an area larger than a square foot, professional remediation is necessary to safely remove it and prevent further health risks.
  • Structural Damage: If the water has compromised the wall, floor, or ceiling structurally, then an expert assessment and repair should be done. 
  • Lingering Odors: If cleaning would not eliminate musty, rotting smells, that actually indicates that there is something wrong beneath, which cannot be seen. 
  • Concealed Moisture: Leaks inside walls, under floors, or in ceilings can be very hard to detect and reach without specialized tools.
  • Utilize advanced moisture detection equipment to track down hidden water damage.
  • Thoroughly remediate mold growth to eliminate it and prevent its regrowth.
  • Restore the structural and material integrity of your home to make it safe and sound.
  • Inspect areas prone to water damage, including basements, attics, and around windows and doors.
  • Look for signs of leaks, dampness, or discoloration on walls and ceilings.

Fix Leaks Promptly

  • Address plumbing issues, such as dripping faucets or leaking/burst pipes, promptly when they occur.
  • Ensure that gutters and downspouts are free and direct water away from your home’s foundation.

Control Indoor Humidity Levels

  • Use dehumidifiers in humid areas, especially during summer months.
  • Ensure proper ventilation in bathrooms, kitchens, and laundry rooms to reduce moisture buildup.

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