Levelling compounds are required to level out very rugged, uneven surfaces with significant slopes. Different types of levelling compounds can be used to ensure an even surface of uniform absorbency prior to bonding the floor covering.
Prepare levelling compound mortar according to the technical description instructions
Pour levelling compound mortar onto the substrate and spread it with Doctor blade. Treat the freshly applied levelling compound with a spike roller to release the entrapped air bubbles.