Rip Rap/Blast Rock is used for a variety of different usages; from basic landscape gardens to retaining walls, to holding back the forces of Mother Nature in rivers streams and lakes as well as the prevention of erosion on slopes and drainage ditches.

Riprap is processed through a technique called screening, using large screens (Grizzlies) ranging in size from Gabion to Class 3 larger rock, Class 4 and bigger (the size of small cars) are processed by using excavators with thumbs.

Downer Contracting processes, sorts, loads, trucks and places all sizes of Rip Rap from two of the largest rock quarries in Central and Southern Alberta.