O
Old Mod
From a technical standpoint, the hardibacker is incorrectly installed, Hardibacker require a minimum of 12 screws per complete board and all joints to be taped with their skrim and then feathered over with tile adhesive prior to Tiling.
He appears to have done neither.
So you have grounds to condemn the floor.
The down side to that is that you’re legally obliged to offer him the opportunity to rectify it before dismissing him.
If use that as part of your decision, make sure you make the offer to rectify in writing attaching
Hardiebackers install pdf.
This is not to say it will fail, however Hardibacker will not offer any warranty.
If you’re wanting to be in your eyes ‘fair’ and want to pay him for what he has done,
Then it could easily be argued that the cost of replacing the Hardibacker and tiles, together with the time involved, would equal any forthcoming payment.
That would leave you with compensation for the rip out.
If you do make him an offer to never darken your door again, make sure you do it in writing, along with your reasons, together with the Hardibacker installation guide AND the opportunity to correct it.
He appears to have done neither.
So you have grounds to condemn the floor.
The down side to that is that you’re legally obliged to offer him the opportunity to rectify it before dismissing him.
If use that as part of your decision, make sure you make the offer to rectify in writing attaching
Hardiebackers install pdf.
This is not to say it will fail, however Hardibacker will not offer any warranty.
If you’re wanting to be in your eyes ‘fair’ and want to pay him for what he has done,
Then it could easily be argued that the cost of replacing the Hardibacker and tiles, together with the time involved, would equal any forthcoming payment.
That would leave you with compensation for the rip out.
If you do make him an offer to never darken your door again, make sure you do it in writing, along with your reasons, together with the Hardibacker installation guide AND the opportunity to correct it.