Hi This is my 1st post can you help I have a solid floor with leveler on it patchy in places and one room will have to be scraped of Ounce I have done that can i put leveler back on top also whats the preparations for this part of the job My kitchen is 40m lower also with patchy leveler as the unit have been taken out I intend to screed with sand and cement and scim with leveler Do i need to prime with pva ect can you advise on the whole job I intend to put wood blocks down using Lecol 5500 rec of DIYnot bobhar