The Dangers of Damp

Damp homes can cause a variety of health problems. Don't put your family at risk — chimney-related damp and soot salts are more common than you think, and early treatment is essential.

HETAS Registered
Health warning

Can Damp Affect My Health?

If you have damp and mould in your home, you're more likely to have respiratory problems, respiratory infections, allergies or asthma. Moulds produce allergens, irritants and sometimes toxic substances.

Inhaling or touching mould spores may cause allergic reactions such as sneezing, a runny nose, red eyes and skin rashes. Moulds can also trigger asthma attacks in those who are susceptible.

Important: Everyone can be affected by damp, regardless of age or gender. When mould develops, certain groups should avoid direct skin contact.

Example of chimney damp and soot salt staining
Vulnerable groups

Who Can Be Affected?

While everyone is at risk, certain groups face heightened vulnerability to the effects of damp and mould.

Babies & children

Elderly individuals

People with eczema

Those with asthma

Immunocompromised individuals

Identification

How to Spot Damp & Soot Salts

  • Usually shows up as patches of brown staining on walls
  • Intensity of patches can vary with weather conditions
  • Patches gradually grow in size and intensity over months or years
  • Can appear on any plastered surface in your home
  • Very common on chimney breasts — a telltale sign
Damp chimney breast example 1
Damp chimney breast example 2
Damp chimney breast example 3
Damp chimney breast example 4

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