We recently had our house built, and included the "hardwood floors" upgrade. When we moved it we were pleased with the way the floors looked. Some time later, water started coming up from beneath the floors - there was a leak in our wall. When the builder came in to replace some of the damaged/warped boards in the floor, we learned that the floor was glued down to the concrete beneath. Is this normal?
When the boards were pulled up, they were demolished in the process. They had to force them off of the glue beneath.