Finish TradesQuestion 420 of 700
When installing natural stone tile such as green marble, why is the choice of setting mortar and installation method especially important compared with ordinary ceramic tile?
a.Stone is always heavier and needs no bonding
b.Stone never absorbs moisture
c.Some stones are moisture-sensitive and can warp, stain, or discolor with the wrong mortar
d.Stone tiles are always thinner than ceramic
Explanation
Certain natural stones are moisture-sensitive and can warp, spot, or discolor if set with a mortar that holds too much water, so a compatible setting material and method are critical. Stone does absorb moisture, is not universally heavier or thinner, and always needs proper bonding.
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