Quote:
Originally Posted by trekkor
I heard some people preload a tub or pan with weight while grouting.
This supposedly prevents cracks. ( I've never tried it )
KT
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It's not only preloading, but the heat expansion when hot water hits the pan/tub vs. walls.
Then, when things cool, the crack opens. Not a whole lot one can do. The sanded caulk would be good if it retains flex.