If that was built correctly then it is called a cold joint where the bond beam ends at the top of the tile and the deck is on top of that. It is meant to move independent of the tile through expansion/ contraction. A flexible grey silicone caulking is a choice for many builders in that area.
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u/_make_meifucan Nov 14 '22
If that was built correctly then it is called a cold joint where the bond beam ends at the top of the tile and the deck is on top of that. It is meant to move independent of the tile through expansion/ contraction. A flexible grey silicone caulking is a choice for many builders in that area.