Best Window Staining in Phoenix AZ

John and his crew did a very good job painting our garage and sealing and painting the garage floor. The problem is that he should have not coated the floor outside the garage door seal. Within a few months, the Az sun started to fade and then peel the coating. We called John to ask him to remedy the situation i.e. strip the paint off outside the garage. He looked at the floor and said he would take care of it. Since then nothing has been done-well over a years period of time. I text and call-he kept promising to come out and then he's a no show.
Had he told us that the likelihood of problems with the acrylic paint exposed to the weather, we would have asked him to not paint it.
The best measurement of a contractor is how they remedy problems after the work is done. Based on that he gets low marks.