Which way round do you fit a cavity closer? Home › Forums › Dacatie › Which way round do you fit a cavity closer? This topic contains 0 replies, has 1 voice, and was last updated by Tim 4 years ago. Viewing 1 post (of 1 total) Author Posts 12th January 2016 at 3:03 pm #399 TimKeymaster Which way round do you fit a cavity closer? The plastic part of the cavity closer should always be touching the outer brick wall and not the inner block wall, as the drawing shows below. For more information visit http://www.dacatie.co.uk. [caption id="attachment_473" align="alignnone" width="1084"] kk Cavity Closer Orientation[/caption] Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.