H
hillhead
There is methods of injecting a glue or adhesive into holes drilled in the grout available.
I know Steve AKA tenchman has used this system before successfully.
But with the possible serious amount of space below your tiles there could be a lot of material needed to do this.
I know Steve AKA tenchman has used this system before successfully.
But with the possible serious amount of space below your tiles there could be a lot of material needed to do this.