Smooth wheel roller : it is most suit able for cohesionless soil (gravel, sand) and ballast and surface dressings. Pneumatic rubber tired roller : suitable for compacting cold laid bituminous pavements, soft base course materials or layers of loose soil, compacting closely graded sands, and fine-grained cohesive soils. Sheep foot roller: This type of roller mostly used for compaction of cohesive soils such as heavy clays and silty clays. Vibratory roller: It is used for compacting granular base courses and asphaltic concrete work.