Condensation occurs when moist air meets sufficiently cold surfaces. Ventilation, heating patterns, insulation and moisture production all influence the result.
Understanding the issue
Condensation occurs when moist air meets sufficiently cold surfaces. Ventilation, heating patterns, insulation and moisture production all influence the result.
What to check
Use extractor fans, avoid blocking vents, manage indoor moisture and keep reasonable background heat where practical. Check for plumbing or external water ingress too.
When to get advice
Persistent or extensive mould deserves investigation, particularly where vulnerable occupants are affected or the source is unclear.
This is general information, not a substitute for inspecting your property. Do not work on gas equipment or live electrical parts unless appropriately qualified. If there is immediate danger, call 999. If you smell gas or suspect a gas escape, leave the affected area and call the National Gas Emergency Service on 0800 111 999 from a safe location. Do not operate electrical switches or use naked flames.
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