Clive Everett, Facades Technical Standards Director, answers your FAQs on cavity barriers in external walls.


Download the guide to understand the following:


  • What are cavity barriers and fire stops?
  • Why do we install cavity barriers?
  • Where should cavity barriers be installed?
  • How do I know what type of cavity barrier to use?
  • How should I go about installing and fixing my cavity barriers?
  • Which records should I keep?