Before installing ceramic or stone tile, most subfloors must be properly prepared with an underlayment or membrane to prevent transmission of movement that can result in cracked tiles or grout. This underlayment can be a preferred bonding material like cement backerboard or an elastomeric membrane. However, an uncoupling mat is another option, particularly if you choose to install over an un-bonded system.<\/p>\n","protected":false},"excerpt":{"rendered":"