Signs of Penetrating Damp in Your Home
Penetrating damp can occur when water enters through roofs, gutters, external walls or other building defects. The signs may become more noticeable during wet weather.
Start your free damp assessmentWhat to look for
Possible signs include damp patches on walls or ceilings, discoloured paint, damaged plaster and moisture that worsens after rain. Plumbing leaks can produce similar symptoms.
Common causes
Defective pointing, cracks, overflowing gutters, roof defects and damaged seals are among the possible sources of rainwater ingress. The actual cause should be checked rather than assumed.
Treat the source, not just the stain
Repainting a damp wall before fixing water entry may leave the problem unresolved. Appropriate repairs depend on where the moisture is entering and the condition of the building.
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