Moisture readings above 390 indicate a very hazardous moisture environment

Moisture readings above 390% are considered very hazardous and require immediate attention. Moisture readings this high indicate a significant risk of mold growth, which can cause severe health problems.

What is a Bad Moisture Reading?

Moisture readings are typically measured using a moisture meter. A moisture meter measures the amount of moisture in a material, and the results are expressed as a percentage. Moisture readings above 390% are considered bad because they indicate that the material is very wet and at high risk of mold growth.

Causes of High Moisture Readings

  • Water leaks
  • Flooding
  • Poor ventilation
  • Condensation

Health Risks of Mold

  • Respiratory problems
  • Skin irritation
  • Allergic reactions
  • Asthma attacks

What to Do If You Have a High Moisture Reading

  • Find and fix the source of the moisture
  • Dry out the affected area
  • Remove any mold that has already grown
  • Call a professional if the problem is severe