REREAD what he posted!!! He said, they knew what it was and would not tell him until the job was done!!!
That is CHICKEN SHIT!!!! No ifs about it. Then he said....they mysteriously found out what it was AFTER he finished.
So I know now. If it dont come up in the time I allot to remove it, it's a extra.
People put that in contracts all the time. Including me.
GL with that. contractor ought to be able too give pretty accurate parameters unless its something completely unseen in construction.
but as cleaning professionals how often do we actually know what each spot is exactly or what specific grout seal was used? we dont.
he inspected it and he misjudged the floor
he owned it and handled it professionally.
go have fun changing price mid jobs see how far that gets you.
we have clauses for construction and running into issues that are completely unseen buried in walls and subfloors but not so much with cleaning and restoration