What is interstitial condensation and how can you prevent it?

woman checking walls for damp
Interstitial condensation can be causing damage to your home without you even realising it (Image credit: Getty Images)

Interstitial condensation may well be something you haven't heard of before, yet it is a problem that affects many homes and can, if left unchecked, cause damage to the structure of a building. 

While you may well have read up on how to stop condensation, where interstitial condensation differs from other types of condensation is the way in which it often remains hidden from the view of homeowners, lurking unseen until it is too late to prevent it from causing costly issues. 

Ian Kernaghan
Ian Kernaghan

Ian Kernaghan is head of product, design and development at Eurocell and has been in the window industry for more than 35 years.

Natasha Brinsmead

Natasha is Homebuilding & Renovating’s Associate Content Editor and has been a member of the team for over two decades. An experienced journalist and renovation expert, she has written for a number of homes titles. Over the years Natasha has renovated and carried out a side extension to a Victorian terrace. She is currently living in the rural Edwardian cottage she renovated and extended on a largely DIY basis, living on site for the duration of the project. She is now looking for her next project — something which is proving far harder than she thought it would be.