Group element 3: Internal finishes This document is only available to paying isurv subscribers. Group element 3 comprises the following elements: 3.1 Wall finishes 3.2 Floor finishes 3.3 Ceiling finishes Effective from 1 January 2013 Sign up for a free trial here. Please note that the free trial does not include access to downloads. Or sign up to the isurv bulletin, our monthly newsletter detailing the latest content on isurv. For further questions, don't hesitate to call: +44(0)247 686 8555.