Finish TradesQuestion 463 of 700
In a large ceramic tile installation, movement (expansion) joints are important MAINLY to accomplish what?
a.Speed up grouting
b.Absorb thermal and moisture movement so the tile field does not crack or debond
c.Eliminate the need for a bonding mortar
d.Allow tiles to be installed without any grout
Explanation
Rigid tile assemblies expand and contract with temperature and moisture; movement joints filled with flexible sealant let the field move without cracking tiles or breaking the bond. They do not speed grouting, replace bonding mortar, or eliminate grout in the field.
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