Can cavity wall insulation cause damp?

May 13, 2022 | Cavity Wall Insulation, FAQ

Damp caused by cavity-wall insulation is very rare.

However, it’s worth checking whether your home’s at risk. Damp could occur in properties as a result of cavity-wall insulation if there is a combination of these factors:

  • The property is constantly exposed to severe levels of wind-driven rain.
  • The property is located in an unsheltered position, e.g. not protected by other buildings, trees etc 
  • The property has external walls that show deterioration, for example, cracks in the brickwork or rendering.