polythene membrane Archives - The Screed Scientist®

The importance of flatness of concrete substrates for the installation of unbonded screeds

Posted on 19th October 2011

A flat concrete substrate is one of the most important pre-requisites for the application of unbonded screeds or floating screeds. The purpose of keeping a screed unbounded is to allow the screed to slip on a polythene membrane, providing a suitable screed