How to Identify Rising Damp in Your Home
, by My Store Admin, 1 min reading time
Rising damp is one of the most common and most misunderstood problems affecting Irish homes. Left untreated, it can cause serious structural damage and create unhealthy living conditions. Here's how to spot it early and what to do about it.
What is Rising Damp?
Rising damp occurs when groundwater travels upward through the walls of a building via capillary action. It typically affects the lower sections of walls, usually up to about one metre from the floor and is particularly common in older properties that lack a modern damp proof course (DPC).
Key Signs of Rising Damp
- Tide marks on walls : A distinctive horizontal staining or 'tide mark' on the lower portion of internal walls is one of the clearest indicators.
- Peeling paint or wallpaper — Moisture pushing through the wall causes decorative finishes to bubble, blister, or peel away from the surface.
- White salt deposits (efflorescence) : As water evaporates, it leaves behind white, powdery mineral deposits on the wall surface.
- Damp or musty smell : A persistent musty odour at ground floor level, even when the room appears dry, is a common warning sign.
- Skirting board damage : Rotting or discoloured skirting boards at floor level often indicate prolonged moisture exposure.
What Causes It?
The most common causes include a failed or absent damp proof course, bridged DPC (where soil or render has been built up against the wall), and poor drainage around the building's foundations.
What Should You Do?
If you suspect rising damp, it's important to get a professional assessment before spending money on cosmetic repairs, treating the symptoms without addressing the root cause will only lead to the problem returning. At Rascor Damp Solutions, we offer expert diagnosis and a full range of damp proofing treatments tailored to your property.
Get in touch today to arrange a survey.