An article for applying to a floor substrate for preparing the floor substrate for laying of ceramic tiles by bonding ceramic tiles to the article. The article comprises a backer board having a lower surface for application to a floor substrate and an upper surface, a sheet, and a releasable adhesive bonding the sheet to the upper surface of the backer board. The sheet covers the entirety of the upper surface of the backer board. After the article is applied to the floor substrate, ceramic tiles are then bonded to the sheet. For replacement of the ceramic floor, the releasable adhesive allows the sheet with the ceramic tiles attached to be easily removable from the backer board. A method for laying ceramic tiles comprising laying at least one sheet on a floor substrate so that it floats on the floor substrate, and bonding a plurality of ceramic tiles to the at least one sheet.