Can I install tile over existing ceramic tile or cement terrazzo?
Yes. However, all ceramic tile and terrazzo must be structurally sound and well bonded before tiling. Additionally, the following guidelines should be followed. Ceramic Tile: Sweep or vacuum the floor to remove any loose debris. Clean the floor with a strong degreaser to remove any build-up, waxes, sealers or other bond-inhibiting materials. An acid wash with phosphoric or sulfamic acid might be needed to remove grout sealers, efflorescence or other mineral deposits on the tile surface or grout joint. COMPLETELY rinse the floor 2-3 times with water and baking soda to remove all cleaning residue and to neutralize the acid. Abrade tile surfaces if possible to assure proper bonding, removing all dust and debris before setting tile. Use TexRite CeramaBond, TotalContact, CeramaFlex, RapidBond or UniFlex to set the tile. If the floor needs to be leveled off, use TexRite FeatherRite or FlowRite before setting the new tile. Cement Terrazzo: Typically, all cement terrazzo floors have been maint
