Patent ID: 8789333

Claim:
A wall construction block combination, comprising a block comprising: a front surface, a back surface, an upper surface, a lower surface, and a plurality of webs extending between the front surface and the back surface to define at least one void with a void perimeter, wherein the at least one void is at least partially bounded by a ledge within the void and along the void perimeter and wherein the front surface and the back surface have first vertical ends and second vertical ends opposite the first vertical ends; a first plurality of structures on the first vertical ends defining an interior protrusion and a shoulder; and a second plurality of structures on the second vertical ends defining an outer protrusion and a recess; wherein the interior protrusions of the first vertical ends are dimensioned to have an interfitting relationship with the recess on the second vertical ends of a substantially identical adjacent wall construction block and wherein a channel is defined that extends in a height direction and is adapted to channel a fluid; and an insert separate from the block and disposed on the ledge, the insert having a surface area dimensioned to have a portion of its perimeter supported by the ledge.