Damp that appears after rain

Penetrating Damp in Bedford

If damp appears or worsens after rain, penetrating damp is a likely candidate — water finding a path through the building fabric from outside to in. Procure Group Ltd traces the water to its source and recommends a proportionate repair.

External masonry inspection during a penetrating damp investigation in Bedford

Common defects that let water in

Penetrating damp usually points to a specific external defect. Common culprits include:

  • Cracked or blown render
  • Failed or missing pointing
  • Blocked, leaking or overflowing gutters
  • Defective or disconnected downpipes
  • Slipped or damaged roof coverings
  • Chimney and flashing defects
  • Masonry cracks and spalled brickwork
  • Window and door junction defects
  • High external ground levels
  • Plumbing leaks within or behind the wall

Our approach: symptom to source

We follow a simple, evidence-led sequence: symptom → investigation → likely cause → proportionate repair. The internal damp is the symptom; the repair belongs at the external defect that is letting water in.

Fixing the cause — repointing, resealing, clearing or repairing rainwater goods, addressing a roof or chimney defect — is almost always more effective and better value than treating the internal face alone.

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FAQs

Frequently asked questions

Arrange a Damp Assessment today

Upload photographs, describe what you're seeing and our team will advise on the right next step. Prefer to talk? Call us on 0333 335 6152.

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