Mould behind furniture and in wardrobes: why it happens
Sources awaiting check
Condensation and dew-point checker
Worked example
For a room at 20°C and 60% relative humidity, with window glass measuring 11°C:
- Dew point: 12°C.
- The glass is 1°C below the dew point, so condensation is likely on it.
- First steps: open the trickle vents, wipe the glass each morning, and dry washing outdoors or in a ventilated room.
Source: Alduchov and Eskridge (1996), Journal of Applied Meteorology, awaiting check; NHS, awaiting check
Editor: brief §7 #7. Cold outside walls + no air movement. Gap from the wall, air gaps in wardrobes. Every claim sourced; no health claims (link NHS); no "we tested"; note four-nation differences where they apply.
Why it happens
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What to do now
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Stopping it coming back
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FAQs
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Related guides
- Black mould on walls: safe cleaning stepsHow to deal with black mould on walls safely, following NHS and GOV.UK guidance: what to wear, what to use, what never to mix, and stopping it coming back.
- Bedroom damp: condensation on walls overnightWhy bedrooms get condensation overnight, and the free fixes: trickle vents, door gaps, steady heating and furniture placement.
Sources
- Magnus formula coefficient a (over water) (Alduchov and Eskridge (1996), Journal of Applied Meteorology), awaiting check
- Magnus formula coefficient b (°C) (Alduchov and Eskridge (1996), Journal of Applied Meteorology), awaiting check
- NHS guidance on damp and mould and your health (NHS), awaiting check
- Energy Saving Trust advice on condensation and ventilation (Energy Saving Trust), awaiting check