Stop in for a cup of coffee

So, as many of you know we've had a lot of work done here at the house. And the swimming pool had a problem with losing water so a few weeks ago they pulled all the tile out. Then they had somebody come in and smooth the walls or parge them with I don't know what product. But the boss was here today and they delivered the tile and was checking the tightness of the parge work. He is not a happy camper. They're tearing it all out to use the correct product. If they were to attach the tile to these walls as they were, they would have caved in..WTF !!!
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Up side is they had the QC to identify the need to make the fix.

No charge right? Other than more time?