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Damp & Mould Risk Calculator

How does mould and damp occur?

Hygrometer
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Mould Risk

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How to Use This Tool

  1. Place your hygrometer (the monitor) next to a cold spot you are worried about, like an outside wall or a window.
  2. Check the weather for the day and find the lowest temperature.
  3. Use the sliders below to enter the numbers from your monitor and the weather report.

Your Home's Conditions

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