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Consequences of High Moisture Readings in Internal Walls

What should moisture readings be for internal walls?

Moisture readings in interior walls are critical factors in preserving structural integrity and maintaining a healthy indoor environment. It is highly recommended to maintain moisture levels below 15%, as higher readings indicate excessive moisture, which can lead to severe consequences.

Consequences of High Moisture Readings

Structural Implications:

  • Weakened wooden structures due to rot and decay
  • Compromised metal components due to corrosion
  • Brickwork and plaster damage due to expansion and contraction

Health Hazards:

  • Mould growth, releasing harmful spores
  • Increased risk of respiratory issues, including asthma and allergies
  • Unpleasant odours and compromised air quality

Other Effects:

  • Paint peeling and wallpaper discolouration
  • Loss of insulation performance
  • Increased energy consumption for heating and cooling

Monitoring and Prevention

Regular moisture monitoring is essential for early detection and mitigation of moisture issues. By using moisture meters and implementing proper moisture management practices, such as adequate ventilation and vapour barriers, it is possible to control moisture levels within acceptable ranges and minimize the risk of adverse consequences.