Edging - the black or metal edging around the pavers is coming up and is exposed to the sunlight, or it is loose and the paver pattern is starting to move.
Heaving - the pavers or wall is being pushed up.
Loose Cap - the cap on the top of the wall or the tread on the step is loose or falling off.
Re-Sand - the sand between the paver joints is a 1/2" or more below the paver.
Settling - the pavers or wall is sinking down.
Shifting - When the pavers or wall are moving to the left, right or pulling apart.
